222466890 has 32 divisors (see below), whose sum is σ = 535294080. Its totient is φ = 59171904.

The previous prime is 222466883. The next prime is 222466897. The reversal of 222466890 is 98664222.

It is an interprime number because it is at equal distance from previous prime (222466883) and next prime (222466897).

It is not an unprimeable number, because it can be changed into a prime (222466897) 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, 2571 + ... + 21249.

It is an arithmetic number, because the mean of its divisors is an integer number (16727940).

Almost surely, 2^222466890 is an apocalyptic number.

222466890 is an abundant number, since it is smaller than the sum of its proper divisors (312827190).

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

222466890 is a wasteful number, since it uses less digits than its factorization.

222466890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19086.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 222466890 is about 14915.3239991627. The cubic root of 222466890 is about 605.9290781732.

The spelling of 222466890 in words is "two hundred twenty-two million, four hundred sixty-six thousand, eight hundred ninety".