22162101 has 16 divisors (see below), whose sum is σ = 33695424. Its totient is φ = 12835584.

The previous prime is 22162073. The next prime is 22162121. The reversal of 22162101 is 10126122.

It is not a de Polignac number, because 22162101 - 2⁷ = 22161973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22162121) 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, 16051 + ... + 17376.

It is an arithmetic number, because the mean of its divisors is an integer number (2105964).

Almost surely, 2^22162101 is an apocalyptic number.

It is an amenable number.

22162101 is a deficient number, since it is larger than the sum of its proper divisors (11533323).

22162101 is a wasteful number, since it uses less digits than its factorization.

22162101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33460.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 22162101 is about 4707.6640704281. The cubic root of 22162101 is about 280.8904517615.

Adding to 22162101 its reverse (10126122), we get a palindrome (32288223).

The spelling of 22162101 in words is "twenty-two million, one hundred sixty-two thousand, one hundred one".