1402437225 has 24 divisors (see below), whose sum is σ = 2649939520. Its totient is φ = 641113920.

The previous prime is 1402437221. The next prime is 1402437247. The reversal of 1402437225 is 5227342041.

It is not a de Polignac number, because 1402437225 - 2² = 1402437221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1402437192 and 1402437201.

It is not an unprimeable number, because it can be changed into a prime (1402437221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335130 + ... + 1336179.

Almost surely, 2^1402437225 is an apocalyptic number.

1402437225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1402437225 is a deficient number, since it is larger than the sum of its proper divisors (1247502295).

1402437225 is a wasteful number, since it uses less digits than its factorization.

1402437225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671329 (or 2671324 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1402437225 is about 37449.1284945324. The cubic root of 1402437225 is about 1119.3377316104.

Adding to 1402437225 its reverse (5227342041), we get a palindrome (6629779266).

The spelling of 1402437225 in words is "one billion, four hundred two million, four hundred thirty-seven thousand, two hundred twenty-five".