2312220422 has 16 divisors (see below), whose sum is σ = 3673397952. Its totient is φ = 1087793280.

The previous prime is 2312220419. The next prime is 2312220437. The reversal of 2312220422 is 2240222132.

It is a junction number, because it is equal to n+sod(n) for n = 2312220394 and 2312220403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148688 + ... + 163500.

It is an arithmetic number, because the mean of its divisors is an integer number (229587372).

Almost surely, 2^2312220422 is an apocalyptic number.

2312220422 is a deficient number, since it is larger than the sum of its proper divisors (1361177530).

2312220422 is a wasteful number, since it uses less digits than its factorization.

2312220422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19423.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2312220422 is about 48085.5531526882. The cubic root of 2312220422 is about 1322.3398242026.

Adding to 2312220422 its reverse (2240222132), we get a palindrome (4552442554).

The spelling of 2312220422 in words is "two billion, three hundred twelve million, two hundred twenty thousand, four hundred twenty-two".