63122290 has 80 divisors (see below), whose sum is σ = 145203840. Its totient is φ = 19592160.

The previous prime is 63122249. The next prime is 63122291. The reversal of 63122290 is 9222136.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63122291) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 263991 + ... + 264229.

It is an arithmetic number, because the mean of its divisors is an integer number (1815048).

Almost surely, 2^63122290 is an apocalyptic number.

63122290 is an abundant number, since it is smaller than the sum of its proper divisors (82081550).

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

63122290 is a wasteful number, since it uses less digits than its factorization.

63122290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 63122290 is about 7944.9537443587. The cubic root of 63122290 is about 398.1630141217.

The spelling of 63122290 in words is "sixty-three million, one hundred twenty-two thousand, two hundred ninety".