1105222400 has 216 divisors, whose sum is σ = 2946426000. Its totient is φ = 409190400.

The previous prime is 1105222387. The next prime is 1105222463. The reversal of 1105222400 is 42225011.

It is a congruent number.

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, 7417526 + ... + 7417674.

Almost surely, 2^1105222400 is an apocalyptic number.

1105222400 is a gapful number since it is divisible by the number (10) 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 1105222400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473213000).

1105222400 is an abundant number, since it is smaller than the sum of its proper divisors (1841203600).

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

1105222400 is a wasteful number, since it uses less digits than its factorization.

1105222400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1105222400 is about 33244.8853209031. The cubic root of 1105222400 is about 1033.9111671642.

Adding to 1105222400 its reverse (42225011), we get a palindrome (1147447411).

The spelling of 1105222400 in words is "one billion, one hundred five million, two hundred twenty-two thousand, four hundred".