802857227 has 4 divisors (see below), whose sum is σ = 803636976. Its totient is φ = 802077480.

The previous prime is 802857221. The next prime is 802857229. The reversal of 802857227 is 722758208.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 802857227 - 2¹² = 802853131 is a prime.

It is a super-2 number, since 2×802857227² = 1289159453892259058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802857221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388328 + ... + 390389.

It is an arithmetic number, because the mean of its divisors is an integer number (200909244).

Almost surely, 2^802857227 is an apocalyptic number.

802857227 is a deficient number, since it is larger than the sum of its proper divisors (779749).

802857227 is a wasteful number, since it uses less digits than its factorization.

802857227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779748.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 802857227 is about 28334.7353437437. The cubic root of 802857227 is about 929.4216263513.

The spelling of 802857227 in words is "eight hundred two million, eight hundred fifty-seven thousand, two hundred twenty-seven".