22013013002 has 4 divisors (see below), whose sum is σ = 33019519506. Its totient is φ = 11006506500.

The previous prime is 22013012981. The next prime is 22013013017. The reversal of 22013013002 is 20031031022.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21532921081 + 480091921 = 146741^2 + 21911^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503253249 + ... + 5503253252.

Almost surely, 2^22013013002 is an apocalyptic number.

22013013002 is a deficient number, since it is larger than the sum of its proper divisors (11006506504).

22013013002 is a wasteful number, since it uses less digits than its factorization.

22013013002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006506503.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22013013002 its reverse (20031031022), we get a palindrome (42044044024).

The spelling of 22013013002 in words is "twenty-two billion, thirteen million, thirteen thousand, two".