Search a number
-
+
10222440444 = 22321571180749
BaseRepresentation
bin10011000010100111…
…00000111111111100
3222101102022210001100
421201103200333330
5131413421043234
64410210213100
7511215211236
oct114123407774
928342283040
1010222440444
114376334897
121b93584190
13c6bb00938
146cd907256
153ec69b399
hex2614e0ffc

10222440444 has 36 divisors (see below), whose sum is σ = 25856649000. Its totient is φ = 3405292320.

The previous prime is 10222440427. The next prime is 10222440461. The reversal of 10222440444 is 44404422201.

It is an interprime number because it is at equal distance from previous prime (10222440427) and next prime (10222440461).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×102224404442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33819 + ... + 146930.

It is an arithmetic number, because the mean of its divisors is an integer number (718240250).

Almost surely, 210222440444 is an apocalyptic number.

It is an amenable number.

10222440444 is an abundant number, since it is smaller than the sum of its proper divisors (15634208556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10222440444 is a wasteful number, since it uses less digits than its factorization.

10222440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182330 (or 182325 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 10222440444 its reverse (44404422201), we get a palindrome (54626862645).

The spelling of 10222440444 in words is "ten billion, two hundred twenty-two million, four hundred forty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1571 3142 4713 6284 9426 14139 18852 28278 56556 180749 361498 542247 722996 1084494 1626741 2168988 3253482 6506964 283956679 567913358 851870037 1135826716 1703740074 2555610111 3407480148 5111220222 10222440444