1400422304221 has 4 divisors (see below), whose sum is σ = 1400425029952. Its totient is φ = 1400419578492.

The previous prime is 1400422304167. The next prime is 1400422304249. The reversal of 1400422304221 is 1224032240041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400422304221 - 2²⁵ = 1400388749789 is a prime.

It is a super-2 number, since 2×1400422304221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400422304321) 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, 332571 + ... + 1706296.

It is an arithmetic number, because the mean of its divisors is an integer number (350106257488).

Almost surely, 2^{1400422304221} is an apocalyptic number.

It is an amenable number.

1400422304221 is a deficient number, since it is larger than the sum of its proper divisors (2725731).

1400422304221 is an equidigital number, since it uses as much as digits as its factorization.

1400422304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725730.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1400422304221 its reverse (1224032240041), we get a palindrome (2624454544262).

The spelling of 1400422304221 in words is "one trillion, four hundred billion, four hundred twenty-two million, three hundred four thousand, two hundred twenty-one".