22294429 has 16 divisors (see below), whose sum is σ = 25937280. Its totient is φ = 19008000.

The previous prime is 22294399. The next prime is 22294439. The reversal of 22294429 is 92449222.

It is a cyclic number.

It is not a de Polignac number, because 22294429 - 2¹¹ = 22292381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22294394 and 22294403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22294439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5929 + ... + 8929.

It is an arithmetic number, because the mean of its divisors is an integer number (1621080).

Almost surely, 2^22294429 is an apocalyptic number.

It is an amenable number.

22294429 is a deficient number, since it is larger than the sum of its proper divisors (3642851).

22294429 is a wasteful number, since it uses less digits than its factorization.

22294429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060.

The product of its digits is 20736, while the sum is 34.

The square root of 22294429 is about 4721.6976819784. The cubic root of 22294429 is about 281.4484003236.

The spelling of 22294429 in words is "twenty-two million, two hundred ninety-four thousand, four hundred twenty-nine".