22295251 has 4 divisors (see below), whose sum is σ = 24322104. Its totient is φ = 20268400.

The previous prime is 22295233. The next prime is 22295281. The reversal of 22295251 is 15259222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22295251 - 2⁵ = 22295219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22295281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013410 + ... + 1013431.

It is an arithmetic number, because the mean of its divisors is an integer number (6080526).

Almost surely, 2^22295251 is an apocalyptic number.

22295251 is a deficient number, since it is larger than the sum of its proper divisors (2026853).

22295251 is a wasteful number, since it uses less digits than its factorization.

22295251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026852.

The product of its digits is 3600, while the sum is 28.

The square root of 22295251 is about 4721.7847261390. The cubic root of 22295251 is about 281.4518593005.

The spelling of 22295251 in words is "twenty-two million, two hundred ninety-five thousand, two hundred fifty-one".