22151085 has 64 divisors (see below), whose sum is σ = 41990400. Its totient is φ = 9850880.

The previous prime is 22151083. The next prime is 22151117. The reversal of 22151085 is 58015122.

It is not a de Polignac number, because 22151085 - 2¹ = 22151083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22151083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148591 + ... + 148739.

It is an arithmetic number, because the mean of its divisors is an integer number (656100).

Almost surely, 2^22151085 is an apocalyptic number.

It is an amenable number.

22151085 is a deficient number, since it is larger than the sum of its proper divisors (19839315).

22151085 is a wasteful number, since it uses less digits than its factorization.

22151085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 22151085 is about 4706.4939179818. The cubic root of 22151085 is about 280.8439037974.

The spelling of 22151085 in words is "twenty-two million, one hundred fifty-one thousand, eighty-five".