1409420228 has 24 divisors (see below), whose sum is σ = 2598210720. Its totient is φ = 667128960.

The previous prime is 1409420227. The next prime is 1409420231. The reversal of 1409420228 is 8220249041.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1409420194 and 1409420203.

It is not an unprimeable number, because it can be changed into a prime (1409420227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110300 + ... + 122412.

It is an arithmetic number, because the mean of its divisors is an integer number (108258780).

Almost surely, 2^1409420228 is an apocalyptic number.

It is an amenable number.

1409420228 is a deficient number, since it is larger than the sum of its proper divisors (1188790492).

1409420228 is a wasteful number, since it uses less digits than its factorization.

1409420228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13667 (or 13665 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1409420228 is about 37542.2459104407. The cubic root of 1409420228 is about 1121.1924555038.

Adding to 1409420228 its reverse (8220249041), we get a palindrome (9629669269).

The spelling of 1409420228 in words is "one billion, four hundred nine million, four hundred twenty thousand, two hundred twenty-eight".