930220642 has 8 divisors (see below), whose sum is σ = 1502664156. Its totient is φ = 429332592.

The previous prime is 930220631. The next prime is 930220693. The reversal of 930220642 is 246022039.

It can be written as a sum of positive squares in 2 ways, for example, as 828230841 + 101989801 = 28779^2 + 10099^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 930220642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17888833 + ... + 17888884.

Almost surely, 2^930220642 is an apocalyptic number.

930220642 is a deficient number, since it is larger than the sum of its proper divisors (572443514).

930220642 is a wasteful number, since it uses less digits than its factorization.

930220642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35777732.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 930220642 is about 30499.5187175142. The cubic root of 930220642 is about 976.1771946320.

The spelling of 930220642 in words is "nine hundred thirty million, two hundred twenty thousand, six hundred forty-two".