22162002 has 16 divisors (see below), whose sum is σ = 44571072. Its totient is φ = 7346160.

The previous prime is 22161991. The next prime is 22162009. The reversal of 22162002 is 20026122.

It is not an unprimeable number, because it can be changed into a prime (22162009) 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, 9118 + ... + 11289.

It is an arithmetic number, because the mean of its divisors is an integer number (2785692).

Almost surely, 2^22162002 is an apocalyptic number.

22162002 is an abundant number, since it is smaller than the sum of its proper divisors (22409070).

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

22162002 is a wasteful number, since it uses less digits than its factorization.

22162002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20593.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22162002 is about 4707.6535556474. The cubic root of 22162002 is about 280.8900335070.

Adding to 22162002 its reverse (20026122), we get a palindrome (42188124).

The spelling of 22162002 in words is "twenty-two million, one hundred sixty-two thousand, two".