22112002 has 16 divisors (see below), whose sum is σ = 38312352. Its totient is φ = 9459520.

The previous prime is 22111979. The next prime is 22112003. The reversal of 22112002 is 20021122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112002.

It is not an unprimeable number, because it can be changed into a prime (22112003) 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, 29188 + ... + 29935.

It is an arithmetic number, because the mean of its divisors is an integer number (2394522).

Almost surely, 2^22112002 is an apocalyptic number.

22112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22112002 is a deficient number, since it is larger than the sum of its proper divisors (16200350).

22112002 is a wasteful number, since it uses less digits than its factorization.

22112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59153.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22112002 is about 4702.3400557595. The cubic root of 22112002 is about 280.6786344807.

Adding to 22112002 its reverse (20021122), we get a palindrome (42133124).

The spelling of 22112002 in words is "twenty-two million, one hundred twelve thousand, two".