940222051 has 2 divisors, whose sum is σ = 940222052. Its totient is φ = 940222050.

The previous prime is 940222039. The next prime is 940222061. The reversal of 940222051 is 150222049.

It is a strong prime.

It is an emirp because it is prime and its reverse (150222049) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940222051 is a prime.

It is not a weakly prime, because it can be changed into another prime (940222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470111025 + 470111026.

It is an arithmetic number, because the mean of its divisors is an integer number (470111026).

Almost surely, 2^940222051 is an apocalyptic number.

940222051 is a deficient number, since it is larger than the sum of its proper divisors (1).

940222051 is an equidigital number, since it uses as much as digits as its factorization.

940222051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 940222051 is about 30663.0404722037. The cubic root of 940222051 is about 979.6632367119.

The spelling of 940222051 in words is "nine hundred forty million, two hundred twenty-two thousand, fifty-one".