22452494 has 8 divisors (see below), whose sum is σ = 34765248. Its totient is φ = 10864080.

The previous prime is 22452491. The next prime is 22452497. The reversal of 22452494 is 49425422.

It is an interprime number because it is at equal distance from previous prime (22452491) and next prime (22452497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22452494² = 1008228973640072, 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 22452494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452491) 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, 181007 + ... + 181130.

It is an arithmetic number, because the mean of its divisors is an integer number (4345656).

Almost surely, 2^22452494 is an apocalyptic number.

22452494 is a deficient number, since it is larger than the sum of its proper divisors (12312754).

22452494 is a wasteful number, since it uses less digits than its factorization.

22452494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362170.

The product of its digits is 23040, while the sum is 32.

The square root of 22452494 is about 4738.4062721552. The cubic root of 22452494 is about 282.1119804088. Note that the first 3 decimals are identical.

The spelling of 22452494 in words is "twenty-two million, four hundred fifty-two thousand, four hundred ninety-four".