22022211022002 has 12 divisors (see below), whose sum is σ = 47714790547710. Its totient is φ = 7340737007328.

The previous prime is 22022211021991. The next prime is 22022211022033. The reversal of 22022211022002 is 20022011222022.

22022211022002 is a `hidden beast` number, since 220 + 2 + 221 + 1 + 0 + 220 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21448282050441 + 573928971561 = 4631229^2 + 757581^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1223456167889 = 22022211022002 / (2 + 2 + 0 + 2 + 2 + 2 + 1 + 1 + 0 + 2 + 2 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611728083927 + ... + 611728083962.

Almost surely, 2^{22022211022002} is an apocalyptic number.

22022211022002 is an abundant number, since it is smaller than the sum of its proper divisors (25692579525708).

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

22022211022002 is a wasteful number, since it uses less digits than its factorization.

22022211022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223456167897 (or 1223456167894 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022211022002 its reverse (20022011222022), we get a palindrome (42044222244024).

It can be divided in two parts, 2202221 and 1022002, that added together give a palindrome (3224223).

The spelling of 22022211022002 in words is "twenty-two trillion, twenty-two billion, two hundred eleven million, twenty-two thousand, two".