2221075040 has 48 divisors (see below), whose sum is σ = 5475441888. Its totient is φ = 849801216.

The previous prime is 2221075033. The next prime is 2221075061. The reversal of 2221075040 is 405701222.

It is a happy number.

It is a super-2 number, since 2×2221075040² = 9866348666622003200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2221074997 and 2221075015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298097 + ... + 305456.

It is an arithmetic number, because the mean of its divisors is an integer number (114071706).

Almost surely, 2^2221075040 is an apocalyptic number.

2221075040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221075040 is an abundant number, since it is smaller than the sum of its proper divisors (3254366848).

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

2221075040 is a wasteful number, since it uses less digits than its factorization.

2221075040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603591 (or 603583 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2221075040 is about 47128.2828034292. The cubic root of 2221075040 is about 1304.7312884100.

Adding to 2221075040 its reverse (405701222), we get a palindrome (2626776262).

The spelling of 2221075040 in words is "two billion, two hundred twenty-one million, seventy-five thousand, forty".