1401622 has 4 divisors (see below), whose sum is σ = 2102436. Its totient is φ = 700810.

The previous prime is 1401613. The next prime is 1401623. The reversal of 1401622 is 2261041.

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

It is a junction number, because it is equal to n+sod(n) for n = 1401596 and 1401605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350404 + ... + 350407.

It is an arithmetic number, because the mean of its divisors is an integer number (525609).

2^1401622 is an apocalyptic number.

1401622 is a deficient number, since it is larger than the sum of its proper divisors (700814).

1401622 is an equidigital number, since it uses as much as digits as its factorization.

1401622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700813.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1401622 is about 1183.9011783084. The cubic root of 1401622 is about 111.9120802359.

Adding to 1401622 its reverse (2261041), we get a palindrome (3662663).

The spelling of 1401622 in words is "one million, four hundred one thousand, six hundred twenty-two".