1111225450 has 48 divisors (see below), whose sum is σ = 2270301120. Its totient is φ = 402779520.

The previous prime is 1111225441. The next prime is 1111225499. The reversal of 1111225450 is 545221111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3579 + ... + 47278.

It is an arithmetic number, because the mean of its divisors is an integer number (47297940).

Almost surely, 2^1111225450 is an apocalyptic number.

1111225450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111225450 is an abundant number, since it is smaller than the sum of its proper divisors (1159075670).

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

1111225450 is a wasteful number, since it uses less digits than its factorization.

1111225450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50911 (or 50906 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1111225450 is about 33335.0483725463. The cubic root of 1111225450 is about 1035.7796951839.

Adding to 1111225450 its reverse (545221111), we get a palindrome (1656446561).

The spelling of 1111225450 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, four hundred fifty".