22953451 has 4 divisors (see below), whose sum is σ = 24303672. Its totient is φ = 21603232.

The previous prime is 22953439. The next prime is 22953479. The reversal of 22953451 is 15435922.

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 22953451 - 2⁷ = 22953323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22953421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675085 + ... + 675118.

It is an arithmetic number, because the mean of its divisors is an integer number (6075918).

Almost surely, 2^22953451 is an apocalyptic number.

22953451 is a deficient number, since it is larger than the sum of its proper divisors (1350221).

22953451 is a wasteful number, since it uses less digits than its factorization.

22953451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350220.

The product of its digits is 10800, while the sum is 31.

The square root of 22953451 is about 4790.9759966003. The cubic root of 22953451 is about 284.1947145494.

The spelling of 22953451 in words is "twenty-two million, nine hundred fifty-three thousand, four hundred fifty-one".