22021000022022 has 16 divisors (see below), whose sum is σ = 44042086148592. Its totient is φ = 7340318989920.

The previous prime is 22021000021963. The next prime is 22021000022023. The reversal of 22021000022022 is 22022000012022.

It is a junction number, because it is equal to n+sod(n) for n = 22021000021992 and 22021000022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021000022023) 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, 15372 + ... + 6636432.

It is an arithmetic number, because the mean of its divisors is an integer number (2752630384287).

Almost surely, 2^{22021000022022} is an apocalyptic number.

22021000022022 is an abundant number, since it is smaller than the sum of its proper divisors (22021086126570).

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

22021000022022 is a wasteful number, since it uses less digits than its factorization.

22021000022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175383.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22021000022022 its reverse (22022000012022), we get a palindrome (44043000034044).

It can be divided in two parts, 220210000 and 22022, that added together give a palindrome (220232022).

The spelling of 22021000022022 in words is "twenty-two trillion, twenty-one billion, twenty-two thousand, twenty-two".