16222474 has 8 divisors (see below), whose sum is σ = 24584868. Its totient is φ = 8027520.

The previous prime is 16222469. The next prime is 16222483. The reversal of 16222474 is 47422261.

It is a happy number.

16222474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14493249 + 1729225 = 3807^2 + 1315^2 .

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, 41617 + ... + 42004.

Almost surely, 2^16222474 is an apocalyptic number.

16222474 is a deficient number, since it is larger than the sum of its proper divisors (8362394).

16222474 is an equidigital number, since it uses as much as digits as its factorization.

16222474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83720.

The product of its digits is 5376, while the sum is 28.

The square root of 16222474 is about 4027.7132469926. The cubic root of 16222474 is about 253.1467535844.

It can be divided in two parts, 1622 and 2474, that added together give a 12-th power (4096 = 2¹²).

The spelling of 16222474 in words is "sixteen million, two hundred twenty-two thousand, four hundred seventy-four".