1045622 has 4 divisors (see below), whose sum is σ = 1568436. Its totient is φ = 522810.

The previous prime is 1045621. The next prime is 1045633. The reversal of 1045622 is 2265401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2265401 = 421 ⋅5381.

It is a junction number, because it is equal to n+sod(n) for n = 1045594 and 1045603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261404 + ... + 261407.

It is an arithmetic number, because the mean of its divisors is an integer number (392109).

2^1045622 is an apocalyptic number.

1045622 is a deficient number, since it is larger than the sum of its proper divisors (522814).

1045622 is an equidigital number, since it uses as much as digits as its factorization.

1045622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522813.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1045622 is about 1022.5565999005. The cubic root of 1045622 is about 101.4981759320.

It can be divided in two parts, 10456 and 22, that multiplied together give a palindrome (230032).

The spelling of 1045622 in words is "one million, forty-five thousand, six hundred twenty-two".