22471402 has 8 divisors (see below), whose sum is σ = 33738336. Its totient is φ = 11225292.

The previous prime is 22471349. The next prime is 22471441. The reversal of 22471402 is 20417422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148 + ... + 7039.

It is an arithmetic number, because the mean of its divisors is an integer number (4217292).

Almost surely, 2^22471402 is an apocalyptic number.

22471402 is a deficient number, since it is larger than the sum of its proper divisors (11266934).

22471402 is a wasteful number, since it uses less digits than its factorization.

22471402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10412.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22471402 is about 4740.4010378870. The cubic root of 22471402 is about 282.1911501833.

Adding to 22471402 its reverse (20417422), we get a palindrome (42888824).

The spelling of 22471402 in words is "twenty-two million, four hundred seventy-one thousand, four hundred two".