222994086 has 32 divisors (see below), whose sum is σ = 513381120. Its totient is φ = 63252576.

The previous prime is 222994081. The next prime is 222994091. The reversal of 222994086 is 680499222.

It is an interprime number because it is at equal distance from previous prime (222994081) and next prime (222994091).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222994081) 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, 13261 + ... + 24936.

It is an arithmetic number, because the mean of its divisors is an integer number (16043160).

Almost surely, 2^222994086 is an apocalyptic number.

222994086 is an abundant number, since it is smaller than the sum of its proper divisors (290387034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222994086 is a wasteful number, since it uses less digits than its factorization.

222994086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38348.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 222994086 is about 14932.9865063891. The cubic root of 222994086 is about 606.4073386788.

The spelling of 222994086 in words is "two hundred twenty-two million, nine hundred ninety-four thousand, eighty-six".