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4022444431 = 20112000221
BaseRepresentation
bin1110111111000001…
…1010000110001111
3101101022221100102101
43233300122012033
531214221210211
61503050535531
7201452133145
oct35760320617
911338840371
104022444431
111784624045
129431375a7
134c147c645
142a2317595
1518820a5c1
hexefc1a18f

4022444431 has 4 divisors (see below), whose sum is σ = 4024446664. Its totient is φ = 4020442200.

The previous prime is 4022444423. The next prime is 4022444453. The reversal of 4022444431 is 1344442204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4022444431 - 23 = 4022444423 is a prime.

It is a super-2 number, since 2×40224444312 = 32360118400965827522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4022444431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022444131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998100 + ... + 1002121.

It is an arithmetic number, because the mean of its divisors is an integer number (1006111666).

Almost surely, 24022444431 is an apocalyptic number.

4022444431 is a deficient number, since it is larger than the sum of its proper divisors (2002233).

4022444431 is a wasteful number, since it uses less digits than its factorization.

4022444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002232.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4022444431 is about 63422.7437990505. The cubic root of 4022444431 is about 1590.3645421544.

Adding to 4022444431 its reverse (1344442204), we get a palindrome (5366886635).

The spelling of 4022444431 in words is "four billion, twenty-two million, four hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 2011 2000221 4022444431