22450197 has 16 divisors (see below), whose sum is σ = 37320192. Its totient is φ = 11662320.

The previous prime is 22450177. The next prime is 22450199. The reversal of 22450197 is 79105422.

It is not a de Polignac number, because 22450197 - 2⁶ = 22450133 is a prime.

It is a super-2 number, since 2×22450197² = 1008022690677618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48363 + ... + 48824.

It is an arithmetic number, because the mean of its divisors is an integer number (2332512).

Almost surely, 2^22450197 is an apocalyptic number.

It is an amenable number.

22450197 is a deficient number, since it is larger than the sum of its proper divisors (14869995).

22450197 is a wasteful number, since it uses less digits than its factorization.

22450197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97208.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 22450197 is about 4738.1638848820. The cubic root of 22450197 is about 282.1023596020.

The spelling of 22450197 in words is "twenty-two million, four hundred fifty thousand, one hundred ninety-seven".