1430422402 has 4 divisors (see below), whose sum is σ = 2145633606. Its totient is φ = 715211200.

The previous prime is 1430422387. The next prime is 1430422403. The reversal of 1430422402 is 2042240341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042240341 = 659 ⋅3098999.

It can be written as a sum of positive squares in only one way, i.e., 1138320121 + 292102281 = 33739^2 + 17091^2 .

It is a super-2 number, since 2×1430422402² = 4092216496286899208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1430422403) by changing a digit.

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 as a sum of consecutive naturals, namely, 357605599 + ... + 357605602.

Almost surely, 2^1430422402 is an apocalyptic number.

1430422402 is a deficient number, since it is larger than the sum of its proper divisors (715211204).

1430422402 is an equidigital number, since it uses as much as digits as its factorization.

1430422402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715211203.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1430422402 is about 37820.9254513953. The cubic root of 1430422402 is about 1126.7340899900.

Adding to 1430422402 its reverse (2042240341), we get a palindrome (3472662743).

The spelling of 1430422402 in words is "one billion, four hundred thirty million, four hundred twenty-two thousand, four hundred two".