22445013 has 8 divisors (see below), whose sum is σ = 30033568. Its totient is φ = 14909904.

The previous prime is 22444993. The next prime is 22445021. The reversal of 22445013 is 31054422.

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

It is not a de Polignac number, because 22445013 - 2¹⁰ = 22443989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445063) 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, 12370 + ... + 14067.

It is an arithmetic number, because the mean of its divisors is an integer number (3754196).

Almost surely, 2^22445013 is an apocalyptic number.

It is an amenable number.

22445013 is a deficient number, since it is larger than the sum of its proper divisors (7588555).

22445013 is a wasteful number, since it uses less digits than its factorization.

22445013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26723.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22445013 is about 4737.6168059479. The cubic root of 22445013 is about 282.0806444071.

Adding to 22445013 its reverse (31054422), we get a palindrome (53499435).

The spelling of 22445013 in words is "twenty-two million, four hundred forty-five thousand, thirteen".