22292345 has 8 divisors (see below), whose sum is σ = 26824776. Its totient is φ = 17784576.

The previous prime is 22292341. The next prime is 22292357. The reversal of 22292345 is 54329222.

It can be written as a sum of positive squares in 4 ways, for example, as 6697744 + 15594601 = 2588^2 + 3949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22292345 - 2² = 22292341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22292341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4112 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (3353097).

Almost surely, 2^22292345 is an apocalyptic number.

It is an amenable number.

22292345 is a deficient number, since it is larger than the sum of its proper divisors (4532431).

22292345 is a wasteful number, since it uses less digits than its factorization.

22292345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331.

The product of its digits is 8640, while the sum is 29.

The square root of 22292345 is about 4721.4769934841. The cubic root of 22292345 is about 281.4396304684.

The spelling of 22292345 in words is "twenty-two million, two hundred ninety-two thousand, three hundred forty-five".