222236087 has 6 divisors (see below), whose sum is σ = 236078088. Its totient is φ = 209163104.

The previous prime is 222236081. The next prime is 222236101. The reversal of 222236087 is 780632222.

It is not a de Polignac number, because 222236087 - 2¹⁴ = 222219703 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 (222236081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384203 + ... + 384780.

It is an arithmetic number, because the mean of its divisors is an integer number (39346348).

Almost surely, 2^222236087 is an apocalyptic number.

222236087 is a deficient number, since it is larger than the sum of its proper divisors (13842001).

222236087 is an equidigital number, since it uses as much as digits as its factorization.

222236087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769017 (or 769000 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 222236087 is about 14907.5848815293. The cubic root of 222236087 is about 605.7194610020.

The spelling of 222236087 in words is "two hundred twenty-two million, two hundred thirty-six thousand, eighty-seven".