202223457 has 12 divisors (see below), whose sum is σ = 292987344. Its totient is φ = 134406360.

The previous prime is 202223443. The next prime is 202223471. The reversal of 202223457 is 754322202.

202223457 is a `hidden beast` number, since 202 + 2 + 2 + 3 + 457 = 666.

202223457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202223443) and next prime (202223471).

It is not a de Polignac number, because 202223457 - 2¹² = 202219361 is a prime.

It is a super-2 number, since 2×202223457² = 81788653122061698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202223457.

It is not an unprimeable number, because it can be changed into a prime (202223477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30963 + ... + 36920.

It is an arithmetic number, because the mean of its divisors is an integer number (24415612).

Almost surely, 2^202223457 is an apocalyptic number.

It is an amenable number.

202223457 is a deficient number, since it is larger than the sum of its proper divisors (90763887).

202223457 is a wasteful number, since it uses less digits than its factorization.

202223457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68220 (or 68217 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 202223457 is about 14220.5294205244. The cubic root of 202223457 is about 586.9627085345.

Adding to 202223457 its reverse (754322202), we get a palindrome (956545659).

The spelling of 202223457 in words is "two hundred two million, two hundred twenty-three thousand, four hundred fifty-seven".