22415513 has 8 divisors (see below), whose sum is σ = 23002848. Its totient is φ = 21831264.

The previous prime is 22415507. The next prime is 22415543. The reversal of 22415513 is 31551422.

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 22415513 - 2¹⁴ = 22399129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22415543) 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, 23045 + ... + 23997.

It is an arithmetic number, because the mean of its divisors is an integer number (2875356).

Almost surely, 2^22415513 is an apocalyptic number.

It is an amenable number.

22415513 is a deficient number, since it is larger than the sum of its proper divisors (587335).

22415513 is an equidigital number, since it uses as much as digits as its factorization.

22415513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543.

The product of its digits is 1200, while the sum is 23.

The square root of 22415513 is about 4734.5024025762. The cubic root of 22415513 is about 281.9570085192.

Adding to 22415513 its reverse (31551422), we get a palindrome (53966935).

The spelling of 22415513 in words is "twenty-two million, four hundred fifteen thousand, five hundred thirteen".