22149037 has 2 divisors, whose sum is σ = 22149038. Its totient is φ = 22149036.

The previous prime is 22149019. The next prime is 22149053. The reversal of 22149037 is 73094122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 2601 = 4706^2 + 51^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22149037 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 22148996 and 22149014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22149067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11074518 + 11074519.

It is an arithmetic number, because the mean of its divisors is an integer number (11074519).

Almost surely, 2^22149037 is an apocalyptic number.

It is an amenable number.

22149037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22149037 is an equidigital number, since it uses as much as digits as its factorization.

22149037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 22149037 is about 4706.2763412277. The cubic root of 22149037 is about 280.8352482990.

The spelling of 22149037 in words is "twenty-two million, one hundred forty-nine thousand, thirty-seven".