22144354 has 32 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 10021440.

The previous prime is 22144333. The next prime is 22144361. The reversal of 22144354 is 45344122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75432 + ... + 75724.

It is an arithmetic number, because the mean of its divisors is an integer number (1143072).

Almost surely, 2^22144354 is an apocalyptic number.

22144354 is a deficient number, since it is larger than the sum of its proper divisors (14433950).

22144354 is a wasteful number, since it uses less digits than its factorization.

22144354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its digits is 3840, while the sum is 25.

The square root of 22144354 is about 4705.7787878310. The cubic root of 22144354 is about 280.8154544487.

Adding to 22144354 its reverse (45344122), we get a palindrome (67488476).

The spelling of 22144354 in words is "twenty-two million, one hundred forty-four thousand, three hundred fifty-four".