1401422402 has 4 divisors (see below), whose sum is σ = 2102133606. Its totient is φ = 700711200.

The previous prime is 1401422401. The next prime is 1401422431. The reversal of 1401422402 is 2042241041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042241041 = 3061 ⋅667181.

It can be written as a sum of positive squares in only one way, i.e., 1385253961 + 16168441 = 37219^2 + 4021^2 .

It is not an unprimeable number, because it can be changed into a prime (1401422401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350355599 + ... + 350355602.

Almost surely, 2^1401422402 is an apocalyptic number.

1401422402 is a deficient number, since it is larger than the sum of its proper divisors (700711204).

1401422402 is an equidigital number, since it uses as much as digits as its factorization.

1401422402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700711203.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1401422402 is about 37435.5766884925. The cubic root of 1401422402 is about 1119.0676770330.

Adding to 1401422402 its reverse (2042241041), we get a palindrome (3443663443).

The spelling of 1401422402 in words is "one billion, four hundred one million, four hundred twenty-two thousand, four hundred two".