1225132330 has 16 divisors (see below), whose sum is σ = 2207433384. Its totient is φ = 489565120.

The previous prime is 1225132273. The next prime is 1225132333. The reversal of 1225132330 is 332315221.

It can be written as a sum of positive squares in 4 ways, for example, as 898860361 + 326271969 = 29981^2 + 18063^2 .

It is a super-2 number, since 2×1225132330² = 3001898452022457800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225132333) 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, 50341 + ... + 70600.

Almost surely, 2^1225132330 is an apocalyptic number.

1225132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225132330 is a deficient number, since it is larger than the sum of its proper divisors (982301054).

1225132330 is a wasteful number, since it uses less digits than its factorization.

1225132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121961.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1225132330 is about 35001.8903775210. The cubic root of 1225132330 is about 1070.0260074617.

Adding to 1225132330 its reverse (332315221), we get a palindrome (1557447551).

The spelling of 1225132330 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, three hundred thirty".