22546445 has 8 divisors (see below), whose sum is σ = 28479840. Its totient is φ = 17087760.

The previous prime is 22546441. The next prime is 22546457. The reversal of 22546445 is 54464522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22546445 - 2² = 22546441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22546441) 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, 118571 + ... + 118760.

It is an arithmetic number, because the mean of its divisors is an integer number (3559980).

Almost surely, 2^22546445 is an apocalyptic number.

It is an amenable number.

22546445 is a deficient number, since it is larger than the sum of its proper divisors (5933395).

22546445 is a wasteful number, since it uses less digits than its factorization.

22546445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237355.

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

The square root of 22546445 is about 4748.3096992509. The cubic root of 22546445 is about 282.5049259067.

The spelling of 22546445 in words is "twenty-two million, five hundred forty-six thousand, four hundred forty-five".