1005222474 has 112 divisors (see below), whose sum is σ = 2406523680. Its totient is φ = 313878240.

The previous prime is 1005222443. The next prime is 1005222479. The reversal of 1005222474 is 4742225001.

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 (1005222479) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3628824 + ... + 3629100.

Almost surely, 2^1005222474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005222474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203261840).

1005222474 is an abundant number, since it is smaller than the sum of its proper divisors (1401301206).

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

1005222474 is a wasteful number, since it uses less digits than its factorization.

1005222474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 1005222474 is about 31705.2436357143. The cubic root of 1005222474 is about 1001.7378029582.

Adding to 1005222474 its reverse (4742225001), we get a palindrome (5747447475).

The spelling of 1005222474 in words is "one billion, five million, two hundred twenty-two thousand, four hundred seventy-four".