1400004022 has 4 divisors (see below), whose sum is σ = 2100006036. Its totient is φ = 700002010.

The previous prime is 1400004017. The next prime is 1400004041. The reversal of 1400004022 is 2204000041.

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

It is a super-2 number, since 2×1400004022² = 3920022523232352968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 1400003993 and 1400004011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350001004 + ... + 350001007.

It is an arithmetic number, because the mean of its divisors is an integer number (525001509).

Almost surely, 2^1400004022 is an apocalyptic number.

1400004022 is a deficient number, since it is larger than the sum of its proper divisors (700002014).

1400004022 is an equidigital number, since it uses as much as digits as its factorization.

1400004022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700002013.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1400004022 is about 37416.6276139366. The cubic root of 1400004022 is about 1118.6900133582.

Adding to 1400004022 its reverse (2204000041), we get a palindrome (3604004063).

The spelling of 1400004022 in words is "one billion, four hundred million, four thousand, twenty-two".