1401111422 has 4 divisors (see below), whose sum is σ = 2101667136. Its totient is φ = 700555710.

The previous prime is 1401111403. The next prime is 1401111443. The reversal of 1401111422 is 2241111041.

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

It is a super-2 number, since 2×1401111422² = 3926226433717724168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401111422.

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, 350277854 + ... + 350277857.

It is an arithmetic number, because the mean of its divisors is an integer number (525416784).

Almost surely, 2^1401111422 is an apocalyptic number.

1401111422 is a deficient number, since it is larger than the sum of its proper divisors (700555714).

1401111422 is an equidigital number, since it uses as much as digits as its factorization.

1401111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700555713.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1401111422 is about 37431.4229224591. The cubic root of 1401111422 is about 1118.9848960408.

Adding to 1401111422 its reverse (2241111041), we get a palindrome (3642222463).

The spelling of 1401111422 in words is "one billion, four hundred one million, one hundred eleven thousand, four hundred twenty-two".