1225022152 has 16 divisors (see below), whose sum is σ = 2317244940. Its totient is φ = 607090176.

The previous prime is 1225022137. The next prime is 1225022153. The reversal of 1225022152 is 2512205221.

It can be written as a sum of positive squares in 2 ways, for example, as 1152874116 + 72148036 = 33954^2 + 8494^2 .

It is a super-2 number, since 2×1225022152² = 3001358545781422208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225022153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676653 + ... + 678460.

Almost surely, 2^1225022152 is an apocalyptic number.

It is an amenable number.

1225022152 is a deficient number, since it is larger than the sum of its proper divisors (1092222788).

1225022152 is a wasteful number, since it uses less digits than its factorization.

1225022152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355232 (or 1355228 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1225022152 is about 35000.3164557122. The cubic root of 1225022152 is about 1069.9939301487.

Adding to 1225022152 its reverse (2512205221), we get a palindrome (3737227373).

The spelling of 1225022152 in words is "one billion, two hundred twenty-five million, twenty-two thousand, one hundred fifty-two".