1225552302 has 64 divisors (see below), whose sum is σ = 2944791360. Its totient is φ = 375570432.

The previous prime is 1225552283. The next prime is 1225552313. The reversal of 1225552302 is 2032555221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177018 + ... + 183810.

It is an arithmetic number, because the mean of its divisors is an integer number (46012365).

Almost surely, 2^1225552302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225552302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472395680).

1225552302 is an abundant number, since it is smaller than the sum of its proper divisors (1719239058).

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

1225552302 is a wasteful number, since it uses less digits than its factorization.

1225552302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074 (or 7068 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1225552302 is about 35007.8891394497. The cubic root of 1225552302 is about 1070.1482608195.

The spelling of 1225552302 in words is "one billion, two hundred twenty-five million, five hundred fifty-two thousand, three hundred two".