1421140322 has 16 divisors (see below), whose sum is σ = 2467080960. Its totient is φ = 601350048.

The previous prime is 1421140277. The next prime is 1421140349. The reversal of 1421140322 is 2230411241.

It is a junction number, because it is equal to n+sod(n) for n = 1421140294 and 1421140303.

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, 641363 + ... + 643574.

It is an arithmetic number, because the mean of its divisors is an integer number (154192560).

Almost surely, 2^1421140322 is an apocalyptic number.

1421140322 is a deficient number, since it is larger than the sum of its proper divisors (1045940638).

1421140322 is a wasteful number, since it uses less digits than its factorization.

1421140322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285025.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1421140322 is about 37698.0148283699. The cubic root of 1421140322 is about 1124.2916553592.

Adding to 1421140322 its reverse (2230411241), we get a palindrome (3651551563).

The spelling of 1421140322 in words is "one billion, four hundred twenty-one million, one hundred forty thousand, three hundred twenty-two".