2221300074 has 32 divisors (see below), whose sum is σ = 5078992896. Its totient is φ = 634440240.

The previous prime is 2221300057. The next prime is 2221300129. The reversal of 2221300074 is 4700031222.

It is a super-3 number, since 3×2221300074³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2221300074.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146979 + ... + 161385.

It is an arithmetic number, because the mean of its divisors is an integer number (158718528).

Almost surely, 2^2221300074 is an apocalyptic number.

2221300074 is an abundant number, since it is smaller than the sum of its proper divisors (2857692822).

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

2221300074 is a wasteful number, since it uses less digits than its factorization.

2221300074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18090.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2221300074 is about 47130.6702052920. The cubic root of 2221300074 is about 1304.7753510043.

Adding to 2221300074 its reverse (4700031222), we get a palindrome (6921331296).

The spelling of 2221300074 in words is "two billion, two hundred twenty-one million, three hundred thousand, seventy-four".