1402212402 has 24 divisors (see below), whose sum is σ = 3055695084. Its totient is φ = 464701344.

The previous prime is 1402212359. The next prime is 1402212419. The reversal of 1402212402 is 2042122041.

1402212402 is a `hidden beast` number, since 1 + 40 + 221 + 2 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1224230121 + 177982281 = 34989^2 + 13341^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222033 + ... + 228260.

Almost surely, 2^1402212402 is an apocalyptic number.

1402212402 is an abundant number, since it is smaller than the sum of its proper divisors (1653482682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402212402 is a wasteful number, since it uses less digits than its factorization.

1402212402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450474 (or 450471 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1402212402 is about 37446.1266621796. The cubic root of 1402212402 is about 1119.2779151921.

Adding to 1402212402 its reverse (2042122041), we get a palindrome (3444334443).

The spelling of 1402212402 in words is "one billion, four hundred two million, two hundred twelve thousand, four hundred two".