22255897 has 8 divisors (see below), whose sum is σ = 23972960. Its totient is φ = 20593440.

The previous prime is 22255889. The next prime is 22255903. The reversal of 22255897 is 79855222.

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 22255897 - 2³ = 22255889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22255837) 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, 12804 + ... + 14437.

It is an arithmetic number, because the mean of its divisors is an integer number (2996620).

Almost surely, 2^22255897 is an apocalyptic number.

It is an amenable number.

22255897 is a deficient number, since it is larger than the sum of its proper divisors (1717063).

22255897 is a wasteful number, since it uses less digits than its factorization.

22255897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27303.

The product of its digits is 100800, while the sum is 40.

The square root of 22255897 is about 4717.6156053668. The cubic root of 22255897 is about 281.2861621321.

The spelling of 22255897 in words is "twenty-two million, two hundred fifty-five thousand, eight hundred ninety-seven".