1225026330 has 128 divisors (see below), whose sum is σ = 3448811520. Its totient is φ = 275293440.

The previous prime is 1225026317. The next prime is 1225026371. The reversal of 1225026330 is 336205221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225026330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 292612 + ... + 296768.

It is an arithmetic number, because the mean of its divisors is an integer number (26943840).

Almost surely, 2^1225026330 is an apocalyptic number.

1225026330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225026330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724405760).

1225026330 is an abundant number, since it is smaller than the sum of its proper divisors (2223785190).

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

1225026330 is a wasteful number, since it uses less digits than its factorization.

1225026330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1225026330 is about 35000.3761408360. The cubic root of 1225026330 is about 1069.9951465701.

The spelling of 1225026330 in words is "one billion, two hundred twenty-five million, twenty-six thousand, three hundred thirty".