22282263 has 32 divisors (see below), whose sum is σ = 34164480. Its totient is φ = 14346720.

The previous prime is 22282259. The next prime is 22282279. The reversal of 22282263 is 36228222.

It is a happy number.

It is not a de Polignac number, because 22282263 - 2² = 22282259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22282243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136620 + ... + 136782.

It is an arithmetic number, because the mean of its divisors is an integer number (1067640).

Almost surely, 2^22282263 is an apocalyptic number.

22282263 is a deficient number, since it is larger than the sum of its proper divisors (11882217).

22282263 is a wasteful number, since it uses less digits than its factorization.

22282263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 22282263 is about 4720.4091983641. The cubic root of 22282263 is about 281.3971958386.

The spelling of 22282263 in words is "twenty-two million, two hundred eighty-two thousand, two hundred sixty-three".