1222222570 has 8 divisors (see below), whose sum is σ = 2200000644. Its totient is φ = 488889024.

The previous prime is 1222222541. The next prime is 1222222571. The reversal of 1222222570 is 752222221.

It can be written as a sum of positive squares in 2 ways, for example, as 1085636601 + 136585969 = 32949^2 + 11687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1222222571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61111119 + ... + 61111138.

Almost surely, 2^1222222570 is an apocalyptic number.

1222222570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222222570 is a deficient number, since it is larger than the sum of its proper divisors (977778074).

1222222570 is a wasteful number, since it uses less digits than its factorization.

1222222570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122222264.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1222222570 is about 34960.2999129012. The cubic root of 1222222570 is about 1069.1782114085.

Adding to 1222222570 its reverse (752222221), we get a palindrome (1974444791).

The spelling of 1222222570 in words is "one billion, two hundred twenty-two million, two hundred twenty-two thousand, five hundred seventy".