Search a number
-
+
22422001202 = 211211000601
BaseRepresentation
bin10100111000011101…
…001001011000110010
32010212121221200021222
4110320131021120302
5331410013014302
614144525145042
71422431602616
oct247035113062
963777850258
1022422001202
1195666a9407
1244190bb182
1321643c7843
141129c31346
158b36dada2
hex538749632

22422001202 has 4 divisors (see below), whose sum is σ = 33633001806. Its totient is φ = 11211000600.

The previous prime is 22422001193. The next prime is 22422001207. The reversal of 22422001202 is 20210022422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20210022422 = 210105011211.

It can be written as a sum of positive squares in only one way, i.e., 13423771321 + 8998229881 = 115861^2 + 94859^2 .

It is a super-2 number, since 2×224220012022 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22422001207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605500299 + ... + 5605500302.

Almost surely, 222422001202 is an apocalyptic number.

22422001202 is a deficient number, since it is larger than the sum of its proper divisors (11211000604).

22422001202 is a wasteful number, since it uses less digits than its factorization.

22422001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211000603.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22422001202 its reverse (20210022422), we get a palindrome (42632023624).

The spelling of 22422001202 in words is "twenty-two billion, four hundred twenty-two million, one thousand, two hundred two".

Divisors: 1 2 11211000601 22422001202