7270404220 has 12 divisors (see below), whose sum is σ = 15267848904. Its totient is φ = 2908161680.

The previous prime is 7270404217. The next prime is 7270404227. The reversal of 7270404220 is 224040727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7270404227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181760086 + ... + 181760125.

It is an arithmetic number, because the mean of its divisors is an integer number (1272320742).

Almost surely, 2^7270404220 is an apocalyptic number.

It is an amenable number.

7270404220 is an abundant number, since it is smaller than the sum of its proper divisors (7997444684).

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

7270404220 is a wasteful number, since it uses less digits than its factorization.

7270404220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363520220 (or 363520218 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 7270404220 is about 85266.6653505343. The cubic root of 7270404220 is about 1937.2523028197.

Adding to 7270404220 its reverse (224040727), we get a palindrome (7494444947).

The spelling of 7270404220 in words is "seven billion, two hundred seventy million, four hundred four thousand, two hundred twenty".