22470266 has 32 divisors (see below), whose sum is σ = 41720448. Its totient is φ = 8838720.

The previous prime is 22470263. The next prime is 22470269. The reversal of 22470266 is 66207422.

It is an interprime number because it is at equal distance from previous prime (22470263) and next prime (22470269).

It is a super-2 number, since 2×22470266² = 1009825708221512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22470263) 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, 60056 + ... + 60428.

It is an arithmetic number, because the mean of its divisors is an integer number (1303764).

Almost surely, 2^22470266 is an apocalyptic number.

22470266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22470266 is a deficient number, since it is larger than the sum of its proper divisors (19250182).

22470266 is a wasteful number, since it uses less digits than its factorization.

22470266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 22470266 is about 4740.2812152867. The cubic root of 22470266 is about 282.1863948867.

Adding to 22470266 its reverse (66207422), we get a palindrome (88677688).

The spelling of 22470266 in words is "twenty-two million, four hundred seventy thousand, two hundred sixty-six".