213616622 has 4 divisors (see below), whose sum is σ = 320424936. Its totient is φ = 106808310.

The previous prime is 213616609. The next prime is 213616633. The reversal of 213616622 is 226616312.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×213616622² = 91264122389381768, 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 as a sum of consecutive naturals, namely, 53404154 + ... + 53404157.

It is an arithmetic number, because the mean of its divisors is an integer number (80106234).

Almost surely, 2^213616622 is an apocalyptic number.

213616622 is a deficient number, since it is larger than the sum of its proper divisors (106808314).

213616622 is a wasteful number, since it uses less digits than its factorization.

213616622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106808313.

The product of its digits is 5184, while the sum is 29.

The square root of 213616622 is about 14615.6293740639. The cubic root of 213616622 is about 597.7850015506.

The spelling of 213616622 in words is "two hundred thirteen million, six hundred sixteen thousand, six hundred twenty-two".