22193955 has 24 divisors (see below), whose sum is σ = 43965792. Its totient is φ = 10145664.

The previous prime is 22193953. The next prime is 22193989. The reversal of 22193955 is 55939122.

It is a happy number.

It is not a de Polignac number, because 22193955 - 2¹ = 22193953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22193953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34914 + ... + 35543.

It is an arithmetic number, because the mean of its divisors is an integer number (1831908).

Almost surely, 2^22193955 is an apocalyptic number.

22193955 is a deficient number, since it is larger than the sum of its proper divisors (21771837).

22193955 is a wasteful number, since it uses less digits than its factorization.

22193955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70475 (or 70472 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 22193955 is about 4711.0460621819. The cubic root of 22193955 is about 281.0249636936.

The spelling of 22193955 in words is "twenty-two million, one hundred ninety-three thousand, nine hundred fifty-five".