22046345 has 4 divisors (see below), whose sum is σ = 26455620. Its totient is φ = 17637072.

The previous prime is 22046341. The next prime is 22046347. The reversal of 22046345 is 54364022.

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 12411529 + 9634816 = 3523^2 + 3104^2 .

It is a cyclic number.

It is not a de Polignac number, because 22046345 - 2² = 22046341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22046341) 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, 2204630 + ... + 2204639.

It is an arithmetic number, because the mean of its divisors is an integer number (6613905).

Almost surely, 2^22046345 is an apocalyptic number.

It is an amenable number.

22046345 is a deficient number, since it is larger than the sum of its proper divisors (4409275).

22046345 is an equidigital number, since it uses as much as digits as its factorization.

22046345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409274.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 22046345 is about 4695.3535543130. The cubic root of 22046345 is about 280.4005534166.

The spelling of 22046345 in words is "twenty-two million, forty-six thousand, three hundred forty-five".