22429651 has 4 divisors (see below), whose sum is σ = 22440600. Its totient is φ = 22418704.

The previous prime is 22429637. The next prime is 22429663. The reversal of 22429651 is 15692422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22429651 - 2⁵ = 22429619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22429621) 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, 1381 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (5610150).

Almost surely, 2^22429651 is an apocalyptic number.

22429651 is a deficient number, since it is larger than the sum of its proper divisors (10949).

22429651 is an equidigital number, since it uses as much as digits as its factorization.

22429651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10948.

The product of its digits is 8640, while the sum is 31.

The square root of 22429651 is about 4735.9952491530. The cubic root of 22429651 is about 282.0162750696.

The spelling of 22429651 in words is "twenty-two million, four hundred twenty-nine thousand, six hundred fifty-one".