863690022 has 24 divisors (see below), whose sum is σ = 2015277264. Its totient is φ = 265750704.

The previous prime is 863690021. The next prime is 863690027. The reversal of 863690022 is 220096368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863690021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1845258 + ... + 1845725.

It is an arithmetic number, because the mean of its divisors is an integer number (83969886).

Almost surely, 2^863690022 is an apocalyptic number.

863690022 is an abundant number, since it is smaller than the sum of its proper divisors (1151587242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863690022 is a wasteful number, since it uses less digits than its factorization.

863690022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691004 (or 3691001 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 863690022 is about 29388.6036075211. The cubic root of 863690022 is about 952.3267149169.

The spelling of 863690022 in words is "eight hundred sixty-three million, six hundred ninety thousand, twenty-two".