22550151 has 8 divisors (see below), whose sum is σ = 32379760. Its totient is φ = 13876992.

The previous prime is 22550149. The next prime is 22550173. The reversal of 22550151 is 15105522.

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

It is not a de Polignac number, because 22550151 - 2¹ = 22550149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289066 + ... + 289143.

It is an arithmetic number, because the mean of its divisors is an integer number (4047470).

Almost surely, 2^22550151 is an apocalyptic number.

22550151 is a deficient number, since it is larger than the sum of its proper divisors (9829609).

22550151 is a wasteful number, since it uses less digits than its factorization.

22550151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578225.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 22550151 is about 4748.6999273485. The cubic root of 22550151 is about 282.5204036742.

Adding to 22550151 its reverse (15105522), we get a palindrome (37655673).

The spelling of 22550151 in words is "twenty-two million, five hundred fifty thousand, one hundred fifty-one".