22444151 has 8 divisors (see below), whose sum is σ = 23207184. Its totient is φ = 21692160.

The previous prime is 22444127. The next prime is 22444153. The reversal of 22444151 is 15144422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22444151 is a prime.

It is a super-2 number, since 2×22444151² = 1007479828221602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (2900898).

Almost surely, 2^22444151 is an apocalyptic number.

22444151 is a deficient number, since it is larger than the sum of its proper divisors (763033).

22444151 is an equidigital number, since it uses as much as digits as its factorization.

22444151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521.

The product of its digits is 1280, while the sum is 23.

The square root of 22444151 is about 4737.5258310641. The cubic root of 22444151 is about 282.0770332615.

Adding to 22444151 its reverse (15144422), we get a palindrome (37588573).

The spelling of 22444151 in words is "twenty-two million, four hundred forty-four thousand, one hundred fifty-one".