407228272 has 20 divisors (see below), whose sum is σ = 860732856. Its totient is φ = 185103680.

The previous prime is 407228267. The next prime is 407228321. The reversal of 407228272 is 272822704.

It is a super-2 number, since 2×407228272² = 331669731032211968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156723 + ... + 1157074.

Almost surely, 2^407228272 is an apocalyptic number.

It is an amenable number.

407228272 is an abundant number, since it is smaller than the sum of its proper divisors (453504584).

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

407228272 is a wasteful number, since it uses less digits than its factorization.

407228272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313816 (or 2313810 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 407228272 is about 20179.8977202562. The cubic root of 407228272 is about 741.2180281334.

The spelling of 407228272 in words is "four hundred seven million, two hundred twenty-eight thousand, two hundred seventy-two".