1225504022 has 8 divisors (see below), whose sum is σ = 1883091672. Its totient is φ = 597806800.

The previous prime is 1225504019. The next prime is 1225504043. The reversal of 1225504022 is 2204055221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7472504 + ... + 7472667.

It is an arithmetic number, because the mean of its divisors is an integer number (235386459).

Almost surely, 2^1225504022 is an apocalyptic number.

1225504022 is a deficient number, since it is larger than the sum of its proper divisors (657587650).

1225504022 is a wasteful number, since it uses less digits than its factorization.

1225504022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945214.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1225504022 is about 35007.1995738020. The cubic root of 1225504022 is about 1070.1342079890.

Adding to 1225504022 its reverse (2204055221), we get a palindrome (3429559243).

The spelling of 1225504022 in words is "one billion, two hundred twenty-five million, five hundred four thousand, twenty-two".