213400034022 has 64 divisors (see below), whose sum is σ = 520675430400. Its totient is φ = 56948844960.

The previous prime is 213400034021. The next prime is 213400034131. The reversal of 213400034022 is 220430004312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 213400034022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213400034021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1826572 + ... + 1939887.

It is an arithmetic number, because the mean of its divisors is an integer number (8135553600).

Almost surely, 2^213400034022 is an apocalyptic number.

213400034022 is an abundant number, since it is smaller than the sum of its proper divisors (307275396378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213400034022 is a wasteful number, since it uses less digits than its factorization.

213400034022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766561.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 213400034022 its reverse (220430004312), we get a palindrome (433830038334).

The spelling of 213400034022 in words is "two hundred thirteen billion, four hundred million, thirty-four thousand, twenty-two".