822855452 has 24 divisors (see below), whose sum is σ = 1504557600. Its totient is φ = 393028416.

The previous prime is 822855433. The next prime is 822855493. The reversal of 822855452 is 254558228.

It is a super-2 number, since 2×822855452² = 1354182189772248608, 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 7 ways as a sum of consecutive naturals, for example, 70874 + ... + 81662.

It is an arithmetic number, because the mean of its divisors is an integer number (62689900).

Almost surely, 2^822855452 is an apocalyptic number.

It is an amenable number.

822855452 is a deficient number, since it is larger than the sum of its proper divisors (681702148).

822855452 is a wasteful number, since it uses less digits than its factorization.

822855452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11645 (or 11643 counting only the distinct ones).

The product of its digits is 256000, while the sum is 41.

The square root of 822855452 is about 28685.4571516648. The cubic root of 822855452 is about 937.0753568888.

The spelling of 822855452 in words is "eight hundred twenty-two million, eight hundred fifty-five thousand, four hundred fifty-two".