1005727222 has 8 divisors (see below), whose sum is σ = 1514851272. Its totient is φ = 500776800.

The previous prime is 1005727207. The next prime is 1005727241. The reversal of 1005727222 is 2227275001.

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

It is a super-2 number, since 2×1005727222² = 2022974490143674568, which contains 22 as substring.

It is a congruent number.

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, 1042804 + ... + 1043767.

It is an arithmetic number, because the mean of its divisors is an integer number (189356409).

Almost surely, 2^1005727222 is an apocalyptic number.

1005727222 is a deficient number, since it is larger than the sum of its proper divisors (509124050).

1005727222 is a wasteful number, since it uses less digits than its factorization.

1005727222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086814.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 1005727222 is about 31713.2026449553. The cubic root of 1005727222 is about 1001.9054409886.

The spelling of 1005727222 in words is "one billion, five million, seven hundred twenty-seven thousand, two hundred twenty-two".