22546461 has 16 divisors (see below), whose sum is σ = 34435584. Its totient is φ = 12854064.

The previous prime is 22546457. The next prime is 22546477. The reversal of 22546461 is 16464522.

It is not a de Polignac number, because 22546461 - 2² = 22546457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22546411) 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, 10870 + ... + 12776.

It is an arithmetic number, because the mean of its divisors is an integer number (2152224).

Almost surely, 2^22546461 is an apocalyptic number.

22546461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22546461 is a deficient number, since it is larger than the sum of its proper divisors (11889123).

22546461 is a wasteful number, since it uses less digits than its factorization.

22546461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480.

The product of its digits is 11520, while the sum is 30.

The square root of 22546461 is about 4748.3113840607. The cubic root of 22546461 is about 282.5049927329.

The spelling of 22546461 in words is "twenty-two million, five hundred forty-six thousand, four hundred sixty-one".