940633221 has 8 divisors (see below), whose sum is σ = 1368193824. Its totient is φ = 570080720.

The previous prime is 940633219. The next prime is 940633229. The reversal of 940633221 is 122336049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 940633221 - 2¹ = 940633219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940633229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14251986 + ... + 14252051.

It is an arithmetic number, because the mean of its divisors is an integer number (171024228).

Almost surely, 2^940633221 is an apocalyptic number.

It is an amenable number.

940633221 is a deficient number, since it is larger than the sum of its proper divisors (427560603).

940633221 is a wasteful number, since it uses less digits than its factorization.

940633221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28504051.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 940633221 is about 30669.7443908488. The cubic root of 940633221 is about 979.8060219292.

The spelling of 940633221 in words is "nine hundred forty million, six hundred thirty-three thousand, two hundred twenty-one".