22453429 has 4 divisors (see below), whose sum is σ = 22821580. Its totient is φ = 22085280.

The previous prime is 22453423. The next prime is 22453471. The reversal of 22453429 is 92435422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1385329 + 21068100 = 1177^2 + 4590^2 .

It is a cyclic number.

It is not a de Polignac number, because 22453429 - 2²³ = 14064821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22453429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22453423) 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, 183984 + ... + 184105.

It is an arithmetic number, because the mean of its divisors is an integer number (5705395).

Almost surely, 2^22453429 is an apocalyptic number.

It is an amenable number.

22453429 is a deficient number, since it is larger than the sum of its proper divisors (368151).

22453429 is an equidigital number, since it uses as much as digits as its factorization.

22453429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368150.

The product of its digits is 17280, while the sum is 31.

The square root of 22453429 is about 4738.5049329931. The cubic root of 22453429 is about 282.1158963960.

The spelling of 22453429 in words is "twenty-two million, four hundred fifty-three thousand, four hundred twenty-nine".