22514012 has 12 divisors (see below), whose sum is σ = 41473320. Its totient is φ = 10664496.

The previous prime is 22513951. The next prime is 22514021. The reversal of 22514012 is 21041522.

It is a super-2 number, since 2×22514012² = 1013761472672288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148043 + ... + 148194.

It is an arithmetic number, because the mean of its divisors is an integer number (3456110).

Almost surely, 2^22514012 is an apocalyptic number.

It is an amenable number.

22514012 is a deficient number, since it is larger than the sum of its proper divisors (18959308).

22514012 is a wasteful number, since it uses less digits than its factorization.

22514012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296260 (or 296258 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 22514012 is about 4744.8932548583. The cubic root of 22514012 is about 282.3694000448.

Adding to 22514012 its reverse (21041522), we get a palindrome (43555534).

The spelling of 22514012 in words is "twenty-two million, five hundred fourteen thousand, twelve".