22251038 has 8 divisors (see below), whose sum is σ = 34152888. Its totient is φ = 10866744.

The previous prime is 22251037. The next prime is 22251041. The reversal of 22251038 is 83015222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129281 + ... + 129452.

It is an arithmetic number, because the mean of its divisors is an integer number (4269111).

Almost surely, 2^22251038 is an apocalyptic number.

22251038 is a deficient number, since it is larger than the sum of its proper divisors (11901850).

22251038 is a wasteful number, since it uses less digits than its factorization.

22251038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258778.

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

The square root of 22251038 is about 4717.1005925250. The cubic root of 22251038 is about 281.2656901206.

The spelling of 22251038 in words is "twenty-two million, two hundred fifty-one thousand, thirty-eight".