22470429 has 4 divisors (see below), whose sum is σ = 29960576. Its totient is φ = 14980284.

The previous prime is 22470421. The next prime is 22470431. The reversal of 22470429 is 92407422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22470429 - 2³ = 22470421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22470396 and 22470405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22470421) 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, 3745069 + ... + 3745074.

It is an arithmetic number, because the mean of its divisors is an integer number (7490144).

Almost surely, 2^22470429 is an apocalyptic number.

It is an amenable number.

22470429 is a deficient number, since it is larger than the sum of its proper divisors (7490147).

22470429 is an equidigital number, since it uses as much as digits as its factorization.

22470429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490146.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22470429 is about 4740.2984083283. The cubic root of 22470429 is about 282.1870772146.

The spelling of 22470429 in words is "twenty-two million, four hundred seventy thousand, four hundred twenty-nine".