213400022 has 16 divisors (see below), whose sum is σ = 356631552. Its totient is φ = 94935720.

The previous prime is 213400007. The next prime is 213400027. The reversal of 213400022 is 220004312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213400027) 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, 102158 + ... + 104225.

It is an arithmetic number, because the mean of its divisors is an integer number (22289472).

Almost surely, 2^213400022 is an apocalyptic number.

213400022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213400022 is a deficient number, since it is larger than the sum of its proper divisors (143231530).

213400022 is a wasteful number, since it uses less digits than its factorization.

213400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206443.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 213400022 is about 14608.2176188610. The cubic root of 213400022 is about 597.5828886600.

Adding to 213400022 its reverse (220004312), we get a palindrome (433404334).

It can be divided in two parts, 21 and 3400022, that added together give a palindrome (3400043).

The spelling of 213400022 in words is "two hundred thirteen million, four hundred thousand, twenty-two".