782213222 has 16 divisors (see below), whose sum is σ = 1342390560. Its totient is φ = 334870848.

The previous prime is 782213221. The next prime is 782213251. The reversal of 782213222 is 222312287.

It is a super-2 number, since 2×782213222² = 1223715049343242568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782213221) 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, 16697 + ... + 42932.

It is an arithmetic number, because the mean of its divisors is an integer number (83899410).

Almost surely, 2^782213222 is an apocalyptic number.

782213222 is a deficient number, since it is larger than the sum of its proper divisors (560177338).

782213222 is a wasteful number, since it uses less digits than its factorization.

782213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60575.

The product of its digits is 5376, while the sum is 29.

The square root of 782213222 is about 27968.0750499565. The cubic root of 782213222 is about 921.3862301615.

The spelling of 782213222 in words is "seven hundred eighty-two million, two hundred thirteen thousand, two hundred twenty-two".