1225022052 has 24 divisors (see below), whose sum is σ = 2897542816. Its totient is φ = 402746688.

The previous prime is 1225022047. The next prime is 1225022083. The reversal of 1225022052 is 2502205221.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 698338 + ... + 700089.

Almost surely, 2^1225022052 is an apocalyptic number.

1225022052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225022052 is an abundant number, since it is smaller than the sum of its proper divisors (1672520764).

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

1225022052 is a wasteful number, since it uses less digits than its factorization.

1225022052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398507 (or 1398505 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1225022052 is about 35000.3150271537. The cubic root of 1225022052 is about 1069.9939010337.

Adding to 1225022052 its reverse (2502205221), we get a palindrome (3727227273).

The spelling of 1225022052 in words is "one billion, two hundred twenty-five million, twenty-two thousand, fifty-two".