222887013497 has 16 divisors (see below), whose sum is σ = 227521541520. Its totient is φ = 218268890112.

The previous prime is 222887013473. The next prime is 222887013499. The reversal of 222887013497 is 794310788222.

It can be written as a sum of positive squares in 8 ways, for example, as 2122352761 + 220764660736 = 46069^2 + 469856^2 .

It is a cyclic number.

It is not a de Polignac number, because 222887013497 - 2⁸ = 222887013241 is a prime.

It is a super-2 number, since 2×222887013497² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222887013499) 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, 111833933 + ... + 111835925.

It is an arithmetic number, because the mean of its divisors is an integer number (14220096345).

Almost surely, 2^222887013497 is an apocalyptic number.

It is an amenable number.

222887013497 is a deficient number, since it is larger than the sum of its proper divisors (4634528023).

222887013497 is a wasteful number, since it uses less digits than its factorization.

222887013497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 222887013497 in words is "two hundred twenty-two billion, eight hundred eighty-seven million, thirteen thousand, four hundred ninety-seven".