422222294 has 64 divisors (see below), whose sum is σ = 752640000. Its totient is φ = 175893120.

The previous prime is 422222287. The next prime is 422222299. The reversal of 422222294 is 492222224.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422222299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209632 + ... + 1209980.

It is an arithmetic number, because the mean of its divisors is an integer number (11760000).

Almost surely, 2^422222294 is an apocalyptic number.

422222294 is a deficient number, since it is larger than the sum of its proper divisors (330417706).

422222294 is a wasteful number, since it uses less digits than its factorization.

422222294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its digits is 9216, while the sum is 29.

The square root of 422222294 is about 20548.0484231471. The cubic root of 422222294 is about 750.2057474040.

The spelling of 422222294 in words is "four hundred twenty-two million, two hundred twenty-two thousand, two hundred ninety-four".