222966477 has 24 divisors (see below), whose sum is σ = 341452800. Its totient is φ = 139955040.

The previous prime is 222966473. The next prime is 222966511. The reversal of 222966477 is 774669222.

222966477 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 222966477 - 2² = 222966473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222966473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477 + ... + 21122.

It is an arithmetic number, because the mean of its divisors is an integer number (14227200).

Almost surely, 2^222966477 is an apocalyptic number.

It is an amenable number.

222966477 is a deficient number, since it is larger than the sum of its proper divisors (118486323).

222966477 is a wasteful number, since it uses less digits than its factorization.

222966477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21673 (or 21670 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 222966477 is about 14932.0620478218. The cubic root of 222966477 is about 606.3823111223.

The spelling of 222966477 in words is "two hundred twenty-two million, nine hundred sixty-six thousand, four hundred seventy-seven".