213488722 has 32 divisors (see below), whose sum is σ = 338494464. Its totient is φ = 100867200.

The previous prime is 213488707. The next prime is 213488729. The reversal of 213488722 is 227884312.

It is not an unprimeable number, because it can be changed into a prime (213488729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673308 + ... + 673624.

It is an arithmetic number, because the mean of its divisors is an integer number (10577952).

Almost surely, 2^213488722 is an apocalyptic number.

213488722 is a deficient number, since it is larger than the sum of its proper divisors (125005742).

213488722 is a wasteful number, since it uses less digits than its factorization.

213488722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 43008, while the sum is 37.

The square root of 213488722 is about 14611.2532658906. The cubic root of 213488722 is about 597.6656725627.

The spelling of 213488722 in words is "two hundred thirteen million, four hundred eighty-eight thousand, seven hundred twenty-two".