22513035 has 16 divisors (see below), whose sum is σ = 36529920. Its totient is φ = 11837280.

The previous prime is 22513033. The next prime is 22513039. The reversal of 22513035 is 53031522.

It is not a de Polignac number, because 22513035 - 2¹ = 22513033 is a prime.

It is a super-2 number, since 2×22513035² = 1013673489822450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22513033) 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 15 ways as a sum of consecutive naturals, for example, 9505 + ... + 11634.

It is an arithmetic number, because the mean of its divisors is an integer number (2283120).

Almost surely, 2^22513035 is an apocalyptic number.

22513035 is a deficient number, since it is larger than the sum of its proper divisors (14016885).

22513035 is a wasteful number, since it uses less digits than its factorization.

22513035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21218.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 22513035 is about 4744.7903009511. The cubic root of 22513035 is about 282.3653154937.

Adding to 22513035 its reverse (53031522), we get a palindrome (75544557).

The spelling of 22513035 in words is "twenty-two million, five hundred thirteen thousand, thirty-five".