22050949 has 2 divisors, whose sum is σ = 22050950. Its totient is φ = 22050948.

The previous prime is 22050947. The next prime is 22050971. The reversal of 22050949 is 94905022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 381924 = 4655^2 + 618^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050949 - 2¹ = 22050947 is a prime.

Together with 22050947, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22050949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22050947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025474 + 11025475.

It is an arithmetic number, because the mean of its divisors is an integer number (11025475).

Almost surely, 2^22050949 is an apocalyptic number.

It is an amenable number.

22050949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050949 is an equidigital number, since it uses as much as digits as its factorization.

22050949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 22050949 is about 4695.8438006390. The cubic root of 22050949 is about 280.4200710024.

The spelling of 22050949 in words is "twenty-two million, fifty thousand, nine hundred forty-nine".