942220919 has 2 divisors, whose sum is σ = 942220920. Its totient is φ = 942220918.

The previous prime is 942220901. The next prime is 942220943. The reversal of 942220919 is 919022249.

942220919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-942220919 is a prime.

It is a super-2 number, since 2×942220919² = 1775560520402409122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (942220949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471110459 + 471110460.

It is an arithmetic number, because the mean of its divisors is an integer number (471110460).

Almost surely, 2^942220919 is an apocalyptic number.

942220919 is a deficient number, since it is larger than the sum of its proper divisors (1).

942220919 is an equidigital number, since it uses as much as digits as its factorization.

942220919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 942220919 is about 30695.6172604494. The cubic root of 942220919 is about 980.3569846892.

The spelling of 942220919 in words is "nine hundred forty-two million, two hundred twenty thousand, nine hundred nineteen".