1225255302 has 16 divisors (see below), whose sum is σ = 2722789680. Its totient is φ = 408418416.

The previous prime is 1225255279. The next prime is 1225255309. The reversal of 1225255302 is 2035525221.

1225255302 is a `hidden beast` number, since 122 + 5 + 2 + 5 + 530 + 2 = 666.

It is a super-2 number, since 2×1225255302² = 3002501110158222408, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225255309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11344903 + ... + 11345010.

It is an arithmetic number, because the mean of its divisors is an integer number (170174355).

Almost surely, 2^1225255302 is an apocalyptic number.

1225255302 is an abundant number, since it is smaller than the sum of its proper divisors (1497534378).

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

1225255302 is a wasteful number, since it uses less digits than its factorization.

1225255302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22689924 (or 22689918 counting only the distinct ones).

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

The square root of 1225255302 is about 35003.6469814218. The cubic root of 1225255302 is about 1070.0618073593.

The spelling of 1225255302 in words is "one billion, two hundred twenty-five million, two hundred fifty-five thousand, three hundred two".