213422554 has 8 divisors (see below), whose sum is σ = 336983040. Its totient is φ = 101094876.

The previous prime is 213422551. The next prime is 213422563. The reversal of 213422554 is 455224312.

213422554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (213422551) 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, 2808154 + ... + 2808229.

It is an arithmetic number, because the mean of its divisors is an integer number (42122880).

Almost surely, 2^213422554 is an apocalyptic number.

213422554 is a deficient number, since it is larger than the sum of its proper divisors (123560486).

213422554 is a wasteful number, since it uses less digits than its factorization.

213422554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616404.

The product of its digits is 9600, while the sum is 28.

The square root of 213422554 is about 14608.9888082646. The cubic root of 213422554 is about 597.6039199977.

Adding to 213422554 its reverse (455224312), we get a palindrome (668646866).

The spelling of 213422554 in words is "two hundred thirteen million, four hundred twenty-two thousand, five hundred fifty-four".