222253300251 has 16 divisors (see below), whose sum is σ = 334844899200. Its totient is φ = 145657529064.

The previous prime is 222253300189. The next prime is 222253300253. The reversal of 222253300251 is 152003352222.

It is not a de Polignac number, because 222253300251 - 2¹⁰ = 222253299227 is a prime.

It is a super-2 number, since 2×222253300251² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (222253300253) 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, 69757761 + ... + 69760946.

It is an arithmetic number, because the mean of its divisors is an integer number (20927806200).

Almost surely, 2^222253300251 is an apocalyptic number.

222253300251 is a deficient number, since it is larger than the sum of its proper divisors (112591598949).

222253300251 is a wasteful number, since it uses less digits than its factorization.

222253300251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139518775 (or 139518769 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 222253300251 its reverse (152003352222), we get a palindrome (374256652473).

The spelling of 222253300251 in words is "two hundred twenty-two billion, two hundred fifty-three million, three hundred thousand, two hundred fifty-one".