16222154 has 8 divisors (see below), whose sum is σ = 26205060. Its totient is φ = 7487136.

The previous prime is 16222127. The next prime is 16222211. The reversal of 16222154 is 45122261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11404129 + 4818025 = 3377^2 + 2195^2 .

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, 311939 + ... + 311990.

Almost surely, 2^16222154 is an apocalyptic number.

16222154 is a deficient number, since it is larger than the sum of its proper divisors (9982906).

16222154 is a wasteful number, since it uses less digits than its factorization.

16222154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623944.

The product of its digits is 960, while the sum is 23.

The square root of 16222154 is about 4027.6735220224. The cubic root of 16222154 is about 253.1450890727.

The spelling of 16222154 in words is "sixteen million, two hundred twenty-two thousand, one hundred fifty-four".