222454431 has 40 divisors (see below), whose sum is σ = 344577024. Its totient is φ = 142929360.

The previous prime is 222454411. The next prime is 222454457. The reversal of 222454431 is 134454222.

222454431 is a `hidden beast` number, since 2 + 224 + 5 + 4 + 431 = 666.

222454431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222454431 - 2¹¹ = 222452383 is a prime.

It is a super-2 number, since 2×222454431² = 98971947743067522, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 222454395 and 222454404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222454411) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 269886 + ... + 270708.

Almost surely, 2^222454431 is an apocalyptic number.

222454431 is a deficient number, since it is larger than the sum of its proper divisors (122122593).

222454431 is an equidigital number, since it uses as much as digits as its factorization.

222454431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 944 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 222454431 is about 14914.9063356094. The cubic root of 222454431 is about 605.9177665104.

The spelling of 222454431 in words is "two hundred twenty-two million, four hundred fifty-four thousand, four hundred thirty-one".