222650281 has 12 divisors (see below), whose sum is σ = 266006272. Its totient is φ = 182542536.

The previous prime is 222650273. The next prime is 222650287. The reversal of 222650281 is 182056222.

It is not a de Polignac number, because 222650281 - 2³ = 222650273 is a prime.

It is a super-2 number, since 2×222650281² = 99146295258757922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (222650287) 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, 26361 + ... + 33766.

Almost surely, 2^222650281 is an apocalyptic number.

It is an amenable number.

222650281 is a deficient number, since it is larger than the sum of its proper divisors (43355991).

222650281 is an equidigital number, since it uses as much as digits as its factorization.

222650281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60180 (or 60157 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 222650281 is about 14921.4704704329. The cubic root of 222650281 is about 606.0955320352.

The spelling of 222650281 in words is "two hundred twenty-two million, six hundred fifty thousand, two hundred eighty-one".