822127090 has 16 divisors (see below), whose sum is σ = 1530857880. Its totient is φ = 317511040.

The previous prime is 822127081. The next prime is 822127091. The reversal of 822127090 is 90721228.

It can be written as a sum of positive squares in 4 ways, for example, as 397643481 + 424483609 = 19941^2 + 20603^2 .

It is a super-2 number, since 2×822127090² = 1351785904223736200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (822127091) 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, 1417171 + ... + 1417750.

Almost surely, 2^822127090 is an apocalyptic number.

822127090 is a deficient number, since it is larger than the sum of its proper divisors (708730790).

822127090 is a wasteful number, since it uses less digits than its factorization.

822127090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834957.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 822127090 is about 28672.7586743934. The cubic root of 822127090 is about 936.7987868212.

The spelling of 822127090 in words is "eight hundred twenty-two million, one hundred twenty-seven thousand, ninety".