22552678 has 4 divisors (see below), whose sum is σ = 33829020. Its totient is φ = 11276338.

The previous prime is 22552657. The next prime is 22552679. The reversal of 22552678 is 87625522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87625522 = 2 ⋅43812761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638168 + ... + 5638171.

It is an arithmetic number, because the mean of its divisors is an integer number (8457255).

Almost surely, 2^22552678 is an apocalyptic number.

22552678 is a deficient number, since it is larger than the sum of its proper divisors (11276342).

22552678 is a wasteful number, since it uses less digits than its factorization.

22552678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276341.

The product of its digits is 67200, while the sum is 37.

The square root of 22552678 is about 4748.9659927188. The cubic root of 22552678 is about 282.5309564844.

The spelling of 22552678 in words is "twenty-two million, five hundred fifty-two thousand, six hundred seventy-eight".