22100474 has 8 divisors (see below), whose sum is σ = 36164448. Its totient is φ = 10045660.

The previous prime is 22100473. The next prime is 22100479. The reversal of 22100474 is 47400122.

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

It is not an unprimeable number, because it can be changed into a prime (22100471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502262 + ... + 502305.

It is an arithmetic number, because the mean of its divisors is an integer number (4520556).

Almost surely, 2^22100474 is an apocalyptic number.

22100474 is a deficient number, since it is larger than the sum of its proper divisors (14063974).

22100474 is a wasteful number, since it uses less digits than its factorization.

22100474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004580.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22100474 is about 4701.1141232691. The cubic root of 22100474 is about 280.6298491233.

Adding to 22100474 its reverse (47400122), we get a palindrome (69500596).

The spelling of 22100474 in words is "twenty-two million, one hundred thousand, four hundred seventy-four".