22751013 has 8 divisors (see below), whose sum is σ = 30384576. Its totient is φ = 15142400.

The previous prime is 22751011. The next prime is 22751017. The reversal of 22751013 is 31015722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22751013 - 2¹ = 22751011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22751011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3993 + ... + 7838.

It is an arithmetic number, because the mean of its divisors is an integer number (3798072).

Almost surely, 2^22751013 is an apocalyptic number.

It is an amenable number.

22751013 is a deficient number, since it is larger than the sum of its proper divisors (7633563).

22751013 is a wasteful number, since it uses less digits than its factorization.

22751013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12475.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 22751013 is about 4769.8021971566. The cubic root of 22751013 is about 283.3567610001.

Adding to 22751013 its reverse (31015722), we get a palindrome (53766735).

The spelling of 22751013 in words is "twenty-two million, seven hundred fifty-one thousand, thirteen".