22195746 has 12 divisors (see below), whose sum is σ = 48090822. Its totient is φ = 7398576.

The previous prime is 22195739. The next prime is 22195753. The reversal of 22195746 is 64759122.

It is an interprime number because it is at equal distance from previous prime (22195739) and next prime (22195753).

It can be written as a sum of positive squares in only one way, i.e., 19900521 + 2295225 = 4461^2 + 1515^2 .

It is a super-2 number, since 2×22195746² = 985302280993032, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22195746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616531 + ... + 616566.

Almost surely, 2^22195746 is an apocalyptic number.

22195746 is an abundant number, since it is smaller than the sum of its proper divisors (25895076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22195746 is a wasteful number, since it uses less digits than its factorization.

22195746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233105 (or 1233102 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 22195746 is about 4711.2361435190. The cubic root of 22195746 is about 281.0325228416.

The spelling of 22195746 in words is "twenty-two million, one hundred ninety-five thousand, seven hundred forty-six".