22146454 has 16 divisors (see below), whose sum is σ = 36398736. Its totient is φ = 10022400.

The previous prime is 22146451. The next prime is 22146469. The reversal of 22146454 is 45464122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146451) 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, 3214 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (2274921).

Almost surely, 2^22146454 is an apocalyptic number.

22146454 is a deficient number, since it is larger than the sum of its proper divisors (14252282).

22146454 is a wasteful number, since it uses less digits than its factorization.

22146454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its digits is 7680, while the sum is 28.

The square root of 22146454 is about 4706.0019124518. The cubic root of 22146454 is about 280.8243309599.

It can be divided in two parts, 2214 and 6454, that added together give a palindrome (8668).

The spelling of 22146454 in words is "twenty-two million, one hundred forty-six thousand, four hundred fifty-four".