22343400426 has 32 divisors (see below), whose sum is σ = 45788400000. Its totient is φ = 7264293120.

The previous prime is 22343400413. The next prime is 22343400473. The reversal of 22343400426 is 62400434322.

It is a junction number, because it is equal to n+sod(n) for n = 22343400393 and 22343400402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220670 + ... + 1238838.

It is an arithmetic number, because the mean of its divisors is an integer number (1430887500).

Almost surely, 2^22343400426 is an apocalyptic number.

22343400426 is an abundant number, since it is smaller than the sum of its proper divisors (23444999574).

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

22343400426 is a wasteful number, since it uses less digits than its factorization.

22343400426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23214.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 22343400426 its reverse (62400434322), we get a palindrome (84743834748).

The spelling of 22343400426 in words is "twenty-two billion, three hundred forty-three million, four hundred thousand, four hundred twenty-six".