22945245 has 8 divisors (see below), whose sum is σ = 36712416. Its totient is φ = 12237456.

The previous prime is 22945201. The next prime is 22945249. The reversal of 22945245 is 54254922.

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

It is not a de Polignac number, because 22945245 - 2¹⁰ = 22944221 is a prime.

It is a super-2 number, since 2×22945245² = 1052968536220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22945249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764827 + ... + 764856.

It is an arithmetic number, because the mean of its divisors is an integer number (4589052).

Almost surely, 2^22945245 is an apocalyptic number.

It is an amenable number.

22945245 is a deficient number, since it is larger than the sum of its proper divisors (13767171).

22945245 is a wasteful number, since it uses less digits than its factorization.

22945245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529691.

The product of its digits is 28800, while the sum is 33.

The square root of 22945245 is about 4790.1195183419. The cubic root of 22945245 is about 284.1608433929.

The spelling of 22945245 in words is "twenty-two million, nine hundred forty-five thousand, two hundred forty-five".