22670555 has 4 divisors (see below), whose sum is σ = 27204672. Its totient is φ = 18136440.

The previous prime is 22670539. The next prime is 22670569. The reversal of 22670555 is 55507622.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22670555 - 2⁴ = 22670539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267051 + ... + 2267060.

It is an arithmetic number, because the mean of its divisors is an integer number (6801168).

Almost surely, 2^22670555 is an apocalyptic number.

22670555 is a deficient number, since it is larger than the sum of its proper divisors (4534117).

22670555 is an equidigital number, since it uses as much as digits as its factorization.

22670555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534116.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 22670555 is about 4761.3606248634. The cubic root of 22670555 is about 283.0223400478.

The spelling of 22670555 in words is "twenty-two million, six hundred seventy thousand, five hundred fifty-five".