22013213430 has 64 divisors (see below), whose sum is σ = 57311126208. Its totient is φ = 5379072000.

The previous prime is 22013213423. The next prime is 22013213441. The reversal of 22013213430 is 3431231022.

It is a junction number, because it is equal to n+sod(n) for n = 22013213397 and 22013213406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152571 + ... + 259430.

It is an arithmetic number, because the mean of its divisors is an integer number (895486347).

Almost surely, 2^22013213430 is an apocalyptic number.

22013213430 is an abundant number, since it is smaller than the sum of its proper divisors (35297912778).

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

22013213430 is a wasteful number, since it uses less digits than its factorization.

22013213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412161.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22013213430 its reverse (3431231022), we get a palindrome (25444444452).

The spelling of 22013213430 in words is "twenty-two billion, thirteen million, two hundred thirteen thousand, four hundred thirty".