22002012010 has 24 divisors (see below), whose sum is σ = 43531255908. Its totient is φ = 8000731200.

The previous prime is 22002011957. The next prime is 22002012029. The reversal of 22002012010 is 1021020022.

It can be written as a sum of positive squares in 2 ways, for example, as 21944570769 + 57441241 = 148137^2 + 7579^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9090531 + ... + 9092950.

Almost surely, 2^22002012010 is an apocalyptic number.

22002012010 is a deficient number, since it is larger than the sum of its proper divisors (21529243898).

22002012010 is a wasteful number, since it uses less digits than its factorization.

22002012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18183510 (or 18183499 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22002012010 its reverse (1021020022), we get a palindrome (23023032032).

The spelling of 22002012010 in words is "twenty-two billion, two million, twelve thousand, ten".