22198755 has 16 divisors (see below), whose sum is σ = 35852544. Its totient is φ = 11727840.

The previous prime is 22198747. The next prime is 22198769. The reversal of 22198755 is 55789122.

It is not a de Polignac number, because 22198755 - 2³ = 22198747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311 + ... + 8520.

It is an arithmetic number, because the mean of its divisors is an integer number (2240784).

Almost surely, 2^22198755 is an apocalyptic number.

22198755 is a deficient number, since it is larger than the sum of its proper divisors (13653789).

22198755 is a wasteful number, since it uses less digits than its factorization.

22198755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946.

The product of its digits is 50400, while the sum is 39.

The square root of 22198755 is about 4711.5554756365. Note that the first 3 decimals coincide. The cubic root of 22198755 is about 281.0452218013.

The spelling of 22198755 in words is "twenty-two million, one hundred ninety-eight thousand, seven hundred fifty-five".