22021000022 has 16 divisors (see below), whose sum is σ = 37941916320. Its totient is φ = 9389663808.

The previous prime is 22021000021. The next prime is 22021000037. The reversal of 22021000022 is 22000012022.

It is a junction number, because it is equal to n+sod(n) for n = 22020999967 and 22021000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021000021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3989447 + ... + 3994962.

It is an arithmetic number, because the mean of its divisors is an integer number (2371369770).

Almost surely, 2^22021000022 is an apocalyptic number.

22021000022 is a deficient number, since it is larger than the sum of its proper divisors (15920916298).

22021000022 is a wasteful number, since it uses less digits than its factorization.

22021000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984615.

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

Adding to 22021000022 its reverse (22000012022), we get a palindrome (44021012044).

The spelling of 22021000022 in words is "twenty-two billion, twenty-one million, twenty-two", and thus it is an aban number and an uban number.