22146470 has 16 divisors (see below), whose sum is σ = 41597280. Its totient is φ = 8473344.

The previous prime is 22146469. The next prime is 22146479. The reversal of 22146470 is 7464122.

It is a super-2 number, since 2×22146470² = 980932266921800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47915 + ... + 48374.

It is an arithmetic number, because the mean of its divisors is an integer number (2599830).

Almost surely, 2^22146470 is an apocalyptic number.

22146470 is a deficient number, since it is larger than the sum of its proper divisors (19450810).

22146470 is a wasteful number, since it uses less digits than its factorization.

22146470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96319.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22146470 is about 4706.0036124083. The cubic root of 22146470 is about 280.8243985883.

The spelling of 22146470 in words is "twenty-two million, one hundred forty-six thousand, four hundred seventy".