1225254330 has 64 divisors (see below), whose sum is σ = 3439324800. Its totient is φ = 309536640.

The previous prime is 1225254299. The next prime is 1225254347. The reversal of 1225254330 is 334525221.

It is a happy number.

1225254330 is a `hidden beast` number, since 1 + 225 + 2 + 5 + 433 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1225254294 and 1225254303.

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, 114291 + ... + 124550.

It is an arithmetic number, because the mean of its divisors is an integer number (53739450).

Almost surely, 2^1225254330 is an apocalyptic number.

1225254330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225254330 is an abundant number, since it is smaller than the sum of its proper divisors (2214070470).

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

1225254330 is a wasteful number, since it uses less digits than its factorization.

1225254330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238876 (or 238870 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1225254330 is about 35003.6330971515. The cubic root of 1225254330 is about 1070.0615243978.

Adding to 1225254330 its reverse (334525221), we get a palindrome (1559779551).

The spelling of 1225254330 in words is "one billion, two hundred twenty-five million, two hundred fifty-four thousand, three hundred thirty".