22546151 has 4 divisors (see below), whose sum is σ = 22577400. Its totient is φ = 22514904.

The previous prime is 22546133. The next prime is 22546163. The reversal of 22546151 is 15164522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22546151 - 2⁶ = 22546087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22546151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22546651) 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, 14516 + ... + 15993.

It is an arithmetic number, because the mean of its divisors is an integer number (5644350).

Almost surely, 2^22546151 is an apocalyptic number.

22546151 is a deficient number, since it is larger than the sum of its proper divisors (31249).

22546151 is an equidigital number, since it uses as much as digits as its factorization.

22546151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31248.

The product of its digits is 2400, while the sum is 26.

The square root of 22546151 is about 4748.2787407649. The cubic root of 22546151 is about 282.5036979702.

The spelling of 22546151 in words is "twenty-two million, five hundred forty-six thousand, one hundred fifty-one".