1225836234 has 96 divisors (see below), whose sum is σ = 3236578560. Its totient is φ = 342752256.

The previous prime is 1225836181. The next prime is 1225836257. The reversal of 1225836234 is 4326385221.

1225836234 is a `hidden beast` number, since 1 + 2 + 25 + 8 + 3 + 623 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119434 + ... + 129290.

It is an arithmetic number, because the mean of its divisors is an integer number (33714360).

Almost surely, 2^1225836234 is an apocalyptic number.

1225836234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225836234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618289280).

1225836234 is an abundant number, since it is smaller than the sum of its proper divisors (2010742326).

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

1225836234 is a wasteful number, since it uses less digits than its factorization.

1225836234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929 (or 9916 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1225836234 is about 35011.9441619571. The cubic root of 1225836234 is about 1070.2308972694.

The spelling of 1225836234 in words is "one billion, two hundred twenty-five million, eight hundred thirty-six thousand, two hundred thirty-four".