1023622 has 4 divisors (see below), whose sum is σ = 1535436. Its totient is φ = 511810.

The previous prime is 1023601. The next prime is 1023643. The reversal of 1023622 is 2263201.

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

It is an interprime number because it is at equal distance from previous prime (1023601) and next prime (1023643).

It is a junction number, because it is equal to n+sod(n) for n = 1023596 and 1023605.

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, 255904 + ... + 255907.

It is an arithmetic number, because the mean of its divisors is an integer number (383859).

2^1023622 is an apocalyptic number.

1023622 is a deficient number, since it is larger than the sum of its proper divisors (511814).

1023622 is an equidigital number, since it uses as much as digits as its factorization.

1023622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511813.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1023622 is about 1011.7420619901. The cubic root of 1023622 is about 100.7812801174.

Adding to 1023622 its reverse (2263201), we get a palindrome (3286823).

It can be divided in two parts, 10 and 23622, that added together give a palindrome (23632).

The spelling of 1023622 in words is "one million, twenty-three thousand, six hundred twenty-two".