222394797 has 12 divisors (see below), whose sum is σ = 335204064. Its totient is φ = 141816840.

The previous prime is 222394789. The next prime is 222394807. The reversal of 222394797 is 797493222.

It is not a de Polignac number, because 222394797 - 2³ = 222394789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222394897) 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, 536979 + ... + 537392.

It is an arithmetic number, because the mean of its divisors is an integer number (27933672).

Almost surely, 2^222394797 is an apocalyptic number.

It is an amenable number.

222394797 is a deficient number, since it is larger than the sum of its proper divisors (112809267).

222394797 is a wasteful number, since it uses less digits than its factorization.

222394797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074400 (or 1074397 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 222394797 is about 14912.9070606639. The cubic root of 222394797 is about 605.8636182979.

It can be divided in two parts, 2223 and 94797, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 222394797 in words is "two hundred twenty-two million, three hundred ninety-four thousand, seven hundred ninety-seven".