1422443402 has 4 divisors (see below), whose sum is σ = 2133665106. Its totient is φ = 711221700.

The previous prime is 1422443357. The next prime is 1422443411. The reversal of 1422443402 is 2043442241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1421968681 + 474721 = 37709^2 + 689^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355610849 + ... + 355610852.

Almost surely, 2^1422443402 is an apocalyptic number.

1422443402 is a deficient number, since it is larger than the sum of its proper divisors (711221704).

1422443402 is an equidigital number, since it uses as much as digits as its factorization.

1422443402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711221703.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1422443402 is about 37715.2940065433. The cubic root of 1422443402 is about 1124.6351810002.

Adding to 1422443402 its reverse (2043442241), we get a palindrome (3465885643).

The spelling of 1422443402 in words is "one billion, four hundred twenty-two million, four hundred forty-three thousand, four hundred two".