22452429 has 8 divisors (see below), whose sum is σ = 30033472. Its totient is φ = 14919840.

The previous prime is 22452421. The next prime is 22452431. The reversal of 22452429 is 92425422.

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

It is not a de Polignac number, because 22452429 - 2³ = 22452421 is a prime.

It is a super-2 number, since 2×22452429² = 1008223136000082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22452396 and 22452405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11017 + ... + 12894.

It is an arithmetic number, because the mean of its divisors is an integer number (3754184).

Almost surely, 2^22452429 is an apocalyptic number.

It is an amenable number.

22452429 is a deficient number, since it is larger than the sum of its proper divisors (7581043).

22452429 is a wasteful number, since it uses less digits than its factorization.

22452429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24227.

The product of its digits is 11520, while the sum is 30.

The square root of 22452429 is about 4738.3994133040. The cubic root of 22452429 is about 282.1117081703. Note that the first 3 decimals are identical.

The spelling of 22452429 in words is "twenty-two million, four hundred fifty-two thousand, four hundred twenty-nine".