1148212224 has 132 divisors (see below), whose sum is σ = 3423239040. Its totient is φ = 370298880.

The previous prime is 1148212223. The next prime is 1148212259. The reversal of 1148212224 is 4222128411.

It is a super-2 number, since 2×1148212224² = 2636782622686052352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148212223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283687 + ... + 287705.

Almost surely, 2^1148212224 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 1148212224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711619520).

1148212224 is an abundant number, since it is smaller than the sum of its proper divisors (2275026816).

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

1148212224 is a wasteful number, since it uses less digits than its factorization.

1148212224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4055 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 1148212224 is about 33885.2803441258. The cubic root of 1148212224 is about 1047.1463631205.

The spelling of 1148212224 in words is "one billion, one hundred forty-eight million, two hundred twelve thousand, two hundred twenty-four".