22012001010 has 48 divisors (see below), whose sum is σ = 57279695616. Its totient is φ = 5864893344.

The previous prime is 22012000999. The next prime is 22012001021. The reversal of 22012001010 is 1010021022.

It is an interprime number because it is at equal distance from previous prime (22012000999) and next prime (22012001021).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22012000983 and 22012001001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3807 + ... + 209853.

It is an arithmetic number, because the mean of its divisors is an integer number (1193326992).

Almost surely, 2^22012001010 is an apocalyptic number.

22012001010 is an abundant number, since it is smaller than the sum of its proper divisors (35267694606).

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

22012001010 is a wasteful number, since it uses less digits than its factorization.

22012001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207247 (or 207244 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22012001010 its reverse (1010021022), we get a palindrome (23022022032).

The spelling of 22012001010 in words is "twenty-two billion, twelve million, one thousand, ten".