222022001000 has 32 divisors (see below), whose sum is σ = 519531484680. Its totient is φ = 88808800000.

The previous prime is 222022000999. The next prime is 222022001041. The reversal of 222022001000 is 100220222.

It can be written as a sum of positive squares in 4 ways, for example, as 26387403364 + 195634597636 = 162442^2 + 442306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111010001 + ... + 111012000.

Almost surely, 2^222022001000 is an apocalyptic number.

222022001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022001000 is an abundant number, since it is smaller than the sum of its proper divisors (297509483680).

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

222022001000 is a wasteful number, since it uses less digits than its factorization.

222022001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222022022 (or 222022008 counting only the distinct ones).

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

Adding to 222022001000 its reverse (100220222), we get a palindrome (222122221222).

It can be divided in two parts, 22202 and 2001000, that added together give a palindrome (2023202).

The spelling of 222022001000 in words is "two hundred twenty-two billion, twenty-two million, one thousand".