222457473 has 12 divisors (see below), whose sum is σ = 367231488. Its totient is φ = 127118520.

The previous prime is 222457471. The next prime is 222457493. The reversal of 222457473 is 374754222.

It is a happy number.

It is not a de Polignac number, because 222457473 - 2¹ = 222457471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222457471) 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, 1765473 + ... + 1765598.

It is an arithmetic number, because the mean of its divisors is an integer number (30602624).

Almost surely, 2^222457473 is an apocalyptic number.

It is an amenable number.

222457473 is a deficient number, since it is larger than the sum of its proper divisors (144774015).

222457473 is a wasteful number, since it uses less digits than its factorization.

222457473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531084 (or 3531081 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 222457473 is about 14915.0083137758. The cubic root of 222457473 is about 605.9205284145.

The spelling of 222457473 in words is "two hundred twenty-two million, four hundred fifty-seven thousand, four hundred seventy-three".