942227440 has 80 divisors (see below), whose sum is σ = 2731253760. Its totient is φ = 293679360.

The previous prime is 942227401. The next prime is 942227441. The reversal of 942227440 is 44722249.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 942227396 and 942227405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942227441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70320 + ... + 82639.

It is an arithmetic number, because the mean of its divisors is an integer number (34140672).

Almost surely, 2^942227440 is an apocalyptic number.

It is an amenable number.

942227440 is an abundant number, since it is smaller than the sum of its proper divisors (1789026320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

942227440 is a wasteful number, since it uses less digits than its factorization.

942227440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152990 (or 152984 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 942227440 is about 30695.7234806414. The cubic root of 942227440 is about 980.3592463291.

Adding to 942227440 its reverse (44722249), we get a palindrome (986949689).

The spelling of 942227440 in words is "nine hundred forty-two million, two hundred twenty-seven thousand, four hundred forty".