22270474 has 8 divisors (see below), whose sum is σ = 34182720. Its totient is φ = 10876236.

The previous prime is 22270471. The next prime is 22270481. The reversal of 22270474 is 47407222.

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 (22270471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129394 + ... + 129565.

It is an arithmetic number, because the mean of its divisors is an integer number (4272840).

Almost surely, 2^22270474 is an apocalyptic number.

22270474 is a deficient number, since it is larger than the sum of its proper divisors (11912246).

22270474 is a wasteful number, since it uses less digits than its factorization.

22270474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259004.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 22270474 is about 4719.1603066647. The cubic root of 22270474 is about 281.3475602942.

Adding to 22270474 its reverse (47407222), we get a palindrome (69677696).

It can be divided in two parts, 222704 and 74, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 22270474 in words is "twenty-two million, two hundred seventy thousand, four hundred seventy-four".