1122225722 has 4 divisors (see below), whose sum is σ = 1683338586. Its totient is φ = 561112860.

The previous prime is 1122225703. The next prime is 1122225749. The reversal of 1122225722 is 2275222211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 793492561 + 328733161 = 28169^2 + 18131^2 .

It is a super-2 number, since 2×1122225722² = 2518781142236842568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122225691 and 1122225700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280556429 + ... + 280556432.

Almost surely, 2^1122225722 is an apocalyptic number.

1122225722 is a deficient number, since it is larger than the sum of its proper divisors (561112864).

1122225722 is an equidigital number, since it uses as much as digits as its factorization.

1122225722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561112863.

The product of its digits is 2240, while the sum is 26.

The square root of 1122225722 is about 33499.6376398313. The cubic root of 1122225722 is about 1039.1862847279.

Adding to 1122225722 its reverse (2275222211), we get a palindrome (3397447933).

The spelling of 1122225722 in words is "one billion, one hundred twenty-two million, two hundred twenty-five thousand, seven hundred twenty-two".