22350961 has 2 divisors, whose sum is σ = 22350962. Its totient is φ = 22350960.

The previous prime is 22350953. The next prime is 22350983. The reversal of 22350961 is 16905322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20647936 + 1703025 = 4544^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 22350961 - 2³ = 22350953 is a prime.

It is not a weakly prime, because it can be changed into another prime (22350761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11175480 + 11175481.

It is an arithmetic number, because the mean of its divisors is an integer number (11175481).

Almost surely, 2^22350961 is an apocalyptic number.

It is an amenable number.

22350961 is a deficient number, since it is larger than the sum of its proper divisors (1).

22350961 is an equidigital number, since it uses as much as digits as its factorization.

22350961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22350961 is about 4727.6802979897. The cubic root of 22350961 is about 281.6860891726.

The spelling of 22350961 in words is "twenty-two million, three hundred fifty thousand, nine hundred sixty-one".