1402244402 has 16 divisors (see below), whose sum is σ = 2275065240. Its totient is φ = 644360832.

The previous prime is 1402244387. The next prime is 1402244423. The reversal of 1402244402 is 2044422041.

It can be written as a sum of positive squares in 4 ways, for example, as 1340951161 + 61293241 = 36619^2 + 7829^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111803 + ... + 123710.

Almost surely, 2^1402244402 is an apocalyptic number.

1402244402 is a deficient number, since it is larger than the sum of its proper divisors (872820838).

1402244402 is a wasteful number, since it uses less digits than its factorization.

1402244402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235757.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1402244402 is about 37446.5539402493. The cubic root of 1402244402 is about 1119.2864295039.

Adding to 1402244402 its reverse (2044422041), we get a palindrome (3446666443).

The spelling of 1402244402 in words is "one billion, four hundred two million, two hundred forty-four thousand, four hundred two".