1400442211 has 4 divisors (see below), whose sum is σ = 1600505392. Its totient is φ = 1200379032.

The previous prime is 1400442157. The next prime is 1400442217. The reversal of 1400442211 is 1122440041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400442211 - 2²¹ = 1398345059 is a prime.

It is a super-2 number, since 2×1400442211² = 3922476772701137042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400442217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100031580 + ... + 100031593.

It is an arithmetic number, because the mean of its divisors is an integer number (400126348).

Almost surely, 2^1400442211 is an apocalyptic number.

1400442211 is a deficient number, since it is larger than the sum of its proper divisors (200063181).

1400442211 is an equidigital number, since it uses as much as digits as its factorization.

1400442211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200063180.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1400442211 is about 37422.4826942308. The cubic root of 1400442211 is about 1118.8067145764.

Adding to 1400442211 its reverse (1122440041), we get a palindrome (2522882252).

The spelling of 1400442211 in words is "one billion, four hundred million, four hundred forty-two thousand, two hundred eleven".