222229997 has 16 divisors (see below), whose sum is σ = 245994624. Its totient is φ = 199080000.

The previous prime is 222229993. The next prime is 222230009. The reversal of 222229997 is 799922222.

It is a cyclic number.

It is not a de Polignac number, because 222229997 - 2² = 222229993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222229991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351872 + ... + 352502.

It is an arithmetic number, because the mean of its divisors is an integer number (15374664).

Almost surely, 2^222229997 is an apocalyptic number.

It is an amenable number.

222229997 is a deficient number, since it is larger than the sum of its proper divisors (23764627).

222229997 is a wasteful number, since it uses less digits than its factorization.

222229997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its digits is 163296, while the sum is 44.

The square root of 222229997 is about 14907.3806216921. The cubic root of 222229997 is about 605.7139280494.

The spelling of 222229997 in words is "two hundred twenty-two million, two hundred twenty-nine thousand, nine hundred ninety-seven".