22150939 has 2 divisors, whose sum is σ = 22150940. Its totient is φ = 22150938.

The previous prime is 22150927. The next prime is 22150969. The reversal of 22150939 is 93905122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22150939 - 2⁷ = 22150811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22150939.

It is not a weakly prime, because it can be changed into another prime (22150969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075469 + 11075470.

It is an arithmetic number, because the mean of its divisors is an integer number (11075470).

Almost surely, 2^22150939 is an apocalyptic number.

22150939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150939 is an equidigital number, since it uses as much as digits as its factorization.

22150939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 22150939 is about 4706.4784074720. The cubic root of 22150939 is about 280.8432867727.

The spelling of 22150939 in words is "twenty-two million, one hundred fifty thousand, nine hundred thirty-nine".