1464228725 has 6 divisors (see below), whose sum is σ = 1815643650. Its totient is φ = 1171382960.

The previous prime is 1464228709. The next prime is 1464228743. The reversal of 1464228725 is 5278224641.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7890481 + 1456338244 = 2809^2 + 38162^2 .

It is not a de Polignac number, because 1464228725 - 2⁴ = 1464228709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29284550 + ... + 29284599.

It is an arithmetic number, because the mean of its divisors is an integer number (302607275).

Almost surely, 2^1464228725 is an apocalyptic number.

It is an amenable number.

1464228725 is a deficient number, since it is larger than the sum of its proper divisors (351414925).

1464228725 is an equidigital number, since it uses as much as digits as its factorization.

1464228725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58569159 (or 58569154 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 1464228725 is about 38265.2417345037. The cubic root of 1464228725 is about 1135.5414043283.

The spelling of 1464228725 in words is "one billion, four hundred sixty-four million, two hundred twenty-eight thousand, seven hundred twenty-five".