22546454 has 32 divisors (see below), whose sum is σ = 41622336. Its totient is φ = 8939520.

The previous prime is 22546441. The next prime is 22546457. The reversal of 22546454 is 45464522.

It is a self number, because there is not a number n which added to its sum of digits gives 22546454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22546457) 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, 13742 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (1300698).

Almost surely, 2^22546454 is an apocalyptic number.

22546454 is a deficient number, since it is larger than the sum of its proper divisors (19075882).

22546454 is a wasteful number, since it uses less digits than its factorization.

22546454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its digits is 38400, while the sum is 32.

The square root of 22546454 is about 4748.3106469565. The cubic root of 22546454 is about 282.5049634965.

The spelling of 22546454 in words is "twenty-two million, five hundred forty-six thousand, four hundred fifty-four".