22554806 has 4 divisors (see below), whose sum is σ = 33832212. Its totient is φ = 11277402.

The previous prime is 22554803. The next prime is 22554809. The reversal of 22554806 is 60845522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60845522 = 2 ⋅30422761.

It is an interprime number because it is at equal distance from previous prime (22554803) and next prime (22554809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638700 + ... + 5638703.

It is an arithmetic number, because the mean of its divisors is an integer number (8458053).

Almost surely, 2^22554806 is an apocalyptic number.

22554806 is a deficient number, since it is larger than the sum of its proper divisors (11277406).

22554806 is a wasteful number, since it uses less digits than its factorization.

22554806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11277405.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 22554806 is about 4749.1900362062. The cubic root of 22554806 is about 282.5398424501.

The spelling of 22554806 in words is "twenty-two million, five hundred fifty-four thousand, eight hundred six".