1225927248 has 320 divisors, whose sum is σ = 4091738112. Its totient is φ = 307722240.

The previous prime is 1225927231. The next prime is 1225927249. The reversal of 1225927248 is 8427295221.

It is a super-3 number, since 3×1225927248³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225927249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11457211 + ... + 11457317.

Almost surely, 2^1225927248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225927248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045869056).

1225927248 is an abundant number, since it is smaller than the sum of its proper divisors (2865810864).

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

1225927248 is a wasteful number, since it uses less digits than its factorization.

1225927248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 236 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 1225927248 is about 35013.2438942752. The cubic root of 1225927248 is about 1070.2573835655.

The spelling of 1225927248 in words is "one billion, two hundred twenty-five million, nine hundred twenty-seven thousand, two hundred forty-eight".