213461222 has 16 divisors (see below), whose sum is σ = 345534000. Its totient is φ = 98317152.

The previous prime is 213461221. The next prime is 213461243. The reversal of 213461222 is 222164312.

It is a happy number.

213461222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213461221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 21200.

It is an arithmetic number, because the mean of its divisors is an integer number (21595875).

Almost surely, 2^213461222 is an apocalyptic number.

213461222 is a deficient number, since it is larger than the sum of its proper divisors (132072778).

213461222 is a wasteful number, since it uses less digits than its factorization.

213461222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16967.

The product of its digits is 1152, while the sum is 23.

The square root of 213461222 is about 14610.3121801007. The cubic root of 213461222 is about 597.6400092058.

The spelling of 213461222 in words is "two hundred thirteen million, four hundred sixty-one thousand, two hundred twenty-two".