22150279 has 2 divisors, whose sum is σ = 22150280. Its totient is φ = 22150278.

The previous prime is 22150273. The next prime is 22150307. The reversal of 22150279 is 97205122.

It is an a-pointer prime, because the next prime (22150307) can be obtained adding 22150279 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22150279 - 2⁹ = 22149767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075139 + 11075140.

It is an arithmetic number, because the mean of its divisors is an integer number (11075140).

Almost surely, 2^22150279 is an apocalyptic number.

22150279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150279 is an equidigital number, since it uses as much as digits as its factorization.

22150279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22150279 is about 4706.4082908307. The cubic root of 22150279 is about 280.8404974491.

The spelling of 22150279 in words is "twenty-two million, one hundred fifty thousand, two hundred seventy-nine".