213563722 has 8 divisors (see below), whose sum is σ = 320412672. Its totient is φ = 106759500.

The previous prime is 213563719. The next prime is 213563729. The reversal of 213563722 is 227365312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (213563729) 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, 6097 + ... + 21547.

It is an arithmetic number, because the mean of its divisors is an integer number (40051584).

Almost surely, 2^213563722 is an apocalyptic number.

213563722 is a deficient number, since it is larger than the sum of its proper divisors (106848950).

213563722 is a wasteful number, since it uses less digits than its factorization.

213563722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22364.

The product of its digits is 15120, while the sum is 31.

The square root of 213563722 is about 14613.8195554756. The cubic root of 213563722 is about 597.7356523364.

The spelling of 213563722 in words is "two hundred thirteen million, five hundred sixty-three thousand, seven hundred twenty-two".