22150249 has 4 divisors (see below), whose sum is σ = 24163920. Its totient is φ = 20136580.

The previous prime is 22150243. The next prime is 22150273. The reversal of 22150249 is 94205122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22150249 - 2¹⁵ = 22117481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22150243) 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, 1006819 + ... + 1006840.

It is an arithmetic number, because the mean of its divisors is an integer number (6040980).

Almost surely, 2^22150249 is an apocalyptic number.

It is an amenable number.

22150249 is a deficient number, since it is larger than the sum of its proper divisors (2013671).

22150249 is a wasteful number, since it uses less digits than its factorization.

22150249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013670.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22150249 is about 4706.4051036858. The cubic root of 22150249 is about 280.8403706604.

The spelling of 22150249 in words is "twenty-two million, one hundred fifty thousand, two hundred forty-nine".