1404530225 has 24 divisors (see below), whose sum is σ = 2107507968. Its totient is φ = 906451200.

The previous prime is 1404530209. The next prime is 1404530243. The reversal of 1404530225 is 5220354041.

It is a happy number.

It is not a de Polignac number, because 1404530225 - 2⁴ = 1404530209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404530194 and 1404530203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233081 + ... + 239030.

It is an arithmetic number, because the mean of its divisors is an integer number (87812832).

Almost surely, 2^1404530225 is an apocalyptic number.

It is an amenable number.

1404530225 is a deficient number, since it is larger than the sum of its proper divisors (702977743).

1404530225 is a wasteful number, since it uses less digits than its factorization.

1404530225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472145 (or 472140 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1404530225 is about 37477.0626517074. The cubic root of 1404530225 is about 1119.8942887579.

Adding to 1404530225 its reverse (5220354041), we get a palindrome (6624884266).

The spelling of 1404530225 in words is "one billion, four hundred four million, five hundred thirty thousand, two hundred twenty-five".