22555047 has 8 divisors (see below), whose sum is σ = 30150000. Its totient is φ = 14998400.

The previous prime is 22555037. The next prime is 22555063. The reversal of 22555047 is 74055522.

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

It is a cyclic number.

It is not a de Polignac number, because 22555047 - 2⁴ = 22555031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555007) 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, 8172 + ... + 10577.

It is an arithmetic number, because the mean of its divisors is an integer number (3768750).

Almost surely, 2^22555047 is an apocalyptic number.

22555047 is a deficient number, since it is larger than the sum of its proper divisors (7594953).

22555047 is a wasteful number, since it uses less digits than its factorization.

22555047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19153.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 22555047 is about 4749.2154088860. The cubic root of 22555047 is about 282.5408487672.

The spelling of 22555047 in words is "twenty-two million, five hundred fifty-five thousand, forty-seven".