1224554112 has 160 divisors (see below), whose sum is σ = 3690751680. Its totient is φ = 402983424.

The previous prime is 1224554083. The next prime is 1224554119. The reversal of 1224554112 is 2114554221.

It is a happy number.

1224554112 is a `hidden beast` number, since 1 + 2 + 245 + 5 + 411 + 2 = 666.

It is a super-2 number, since 2×1224554112² = 2999065546432217088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1224554119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 859833 + ... + 861255.

It is an arithmetic number, because the mean of its divisors is an integer number (23067198).

Almost surely, 2^1224554112 is an apocalyptic number.

1224554112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224554112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845375840).

1224554112 is an abundant number, since it is smaller than the sum of its proper divisors (2466197568).

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

1224554112 is an equidigital number, since it uses as much as digits as its factorization.

1224554112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1511 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1224554112 is about 34993.6295916843. The cubic root of 1224554112 is about 1069.8576431568.

The spelling of 1224554112 in words is "one billion, two hundred twenty-four million, five hundred fifty-four thousand, one hundred twelve".