22000021022 has 32 divisors (see below), whose sum is σ = 37875276480. Its totient is φ = 9388431360.

The previous prime is 22000021013. The next prime is 22000021033. The reversal of 22000021022 is 22012000022.

It is a junction number, because it is equal to n+sod(n) for n = 22000020994 and 22000021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3397604 + ... + 3404072.

It is an arithmetic number, because the mean of its divisors is an integer number (1183602390).

Almost surely, 2^22000021022 is an apocalyptic number.

22000021022 is a deficient number, since it is larger than the sum of its proper divisors (15875255458).

22000021022 is a wasteful number, since it uses less digits than its factorization.

22000021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22000021022 its reverse (22012000022), we get a palindrome (44012021044).

The spelling of 22000021022 in words is "twenty-two billion, twenty-one thousand, twenty-two".