22160454 has 16 divisors (see below), whose sum is σ = 46248192. Its totient is φ = 7065608.

The previous prime is 22160429. The next prime is 22160471. The reversal of 22160454 is 45406122.

It is a super-2 number, since 2×22160454² = 982171442972232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 80154 + ... + 80429.

It is an arithmetic number, because the mean of its divisors is an integer number (2890512).

Almost surely, 2^22160454 is an apocalyptic number.

22160454 is an abundant number, since it is smaller than the sum of its proper divisors (24087738).

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

22160454 is a wasteful number, since it uses less digits than its factorization.

22160454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160611.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22160454 is about 4707.4891396582. The cubic root of 22160454 is about 280.8834933654.

Adding to 22160454 its reverse (45406122), we get a palindrome (67566576).

The spelling of 22160454 in words is "twenty-two million, one hundred sixty thousand, four hundred fifty-four".