224937861 has 16 divisors (see below), whose sum is σ = 315892224. Its totient is φ = 142093424.

The previous prime is 224937821. The next prime is 224937877. The reversal of 224937861 is 168739422.

It is a cyclic number.

It is not a de Polignac number, because 224937861 - 2⁷ = 224937733 is a prime.

It is a super-2 number, since 2×224937861² = 101194082622510642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224937821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7851 + ... + 22616.

It is an arithmetic number, because the mean of its divisors is an integer number (19743264).

Almost surely, 2^224937861 is an apocalyptic number.

It is an amenable number.

224937861 is a deficient number, since it is larger than the sum of its proper divisors (90954363).

224937861 is a wasteful number, since it uses less digits than its factorization.

224937861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30600.

The product of its digits is 145152, while the sum is 42.

The square root of 224937861 is about 14997.9285569708. The cubic root of 224937861 is about 608.1642030021.

The spelling of 224937861 in words is "two hundred twenty-four million, nine hundred thirty-seven thousand, eight hundred sixty-one".