222012221002 has 32 divisors (see below), whose sum is σ = 395112017664. Its totient is φ = 92229672000.

The previous prime is 222012220967. The next prime is 222012221009. The reversal of 222012221002 is 200122210222.

It is not an unprimeable number, because it can be changed into a prime (222012221009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814018 + ... + 3871789.

It is an arithmetic number, because the mean of its divisors is an integer number (12347250552).

Almost surely, 2^222012221002 is an apocalyptic number.

222012221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222012221002 is a deficient number, since it is larger than the sum of its proper divisors (173099796662).

222012221002 is a wasteful number, since it uses less digits than its factorization.

222012221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685934.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222012221002 its reverse (200122210222), we get a palindrome (422134431224).

The spelling of 222012221002 in words is "two hundred twenty-two billion, twelve million, two hundred twenty-one thousand, two".