22351429 has 4 divisors (see below), whose sum is σ = 23527840. Its totient is φ = 21175020.

The previous prime is 22351411. The next prime is 22351453. The reversal of 22351429 is 92415322.

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 a cyclic number.

It is not a de Polignac number, because 22351429 - 2⁵ = 22351397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22351397 and 22351406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588177 + ... + 588214.

It is an arithmetic number, because the mean of its divisors is an integer number (5881960).

Almost surely, 2^22351429 is an apocalyptic number.

It is an amenable number.

22351429 is a deficient number, since it is larger than the sum of its proper divisors (1176411).

22351429 is a wasteful number, since it uses less digits than its factorization.

22351429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176410.

The product of its digits is 4320, while the sum is 28.

The square root of 22351429 is about 4727.7297934632. The cubic root of 22351429 is about 281.6880552054.

The spelling of 22351429 in words is "twenty-two million, three hundred fifty-one thousand, four hundred twenty-nine".