222548513 has 16 divisors (see below), whose sum is σ = 257572224. Its totient is φ = 190037760.

The previous prime is 222548507. The next prime is 222548519. The reversal of 222548513 is 315845222.

It is an interprime number because it is at equal distance from previous prime (222548507) and next prime (222548519).

It is a de Polignac number, because none of the positive numbers 2^k-222548513 is a prime.

It is a super-2 number, since 2×222548513² = 99055681277022338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222548513.

It is not an unprimeable number, because it can be changed into a prime (222548519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135131 + ... + 136767.

It is an arithmetic number, because the mean of its divisors is an integer number (16098264).

Almost surely, 2^222548513 is an apocalyptic number.

It is an amenable number.

222548513 is a deficient number, since it is larger than the sum of its proper divisors (35023711).

222548513 is a wasteful number, since it uses less digits than its factorization.

222548513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392.

The product of its digits is 19200, while the sum is 32.

The square root of 222548513 is about 14918.0599610003. The cubic root of 222548513 is about 606.0031741457.

The spelling of 222548513 in words is "two hundred twenty-two million, five hundred forty-eight thousand, five hundred thirteen".