1400822 has 8 divisors (see below), whose sum is σ = 2114616. Its totient is φ = 695952.

The previous prime is 1400821. The next prime is 1400863. The reversal of 1400822 is 2280041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400821) 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, 1823 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (264327).

2^1400822 is an apocalyptic number.

1400822 is a deficient number, since it is larger than the sum of its proper divisors (713794).

1400822 is a wasteful number, since it uses less digits than its factorization.

1400822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1400822 is about 1183.5632640463. The cubic root of 1400822 is about 111.8907842652.

Adding to 1400822 its reverse (2280041), we get a palindrome (3680863).

It can be divided in two parts, 1400 and 822, that added together give a palindrome (2222).

The spelling of 1400822 in words is "one million, four hundred thousand, eight hundred twenty-two".