1264622 has 8 divisors (see below), whose sum is σ = 1911000. Its totient is φ = 627624.

The previous prime is 1264607. The next prime is 1264643. The reversal of 1264622 is 2264621.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (238875).

2^1264622 is an apocalyptic number.

1264622 is a deficient number, since it is larger than the sum of its proper divisors (646378).

1264622 is a wasteful number, since it uses less digits than its factorization.

1264622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690.

The product of its digits is 1152, while the sum is 23.

The square root of 1264622 is about 1124.5541338682. The cubic root of 1264622 is about 108.1401358744.

Subtracting 1264622 from its reverse (2264621), we obtain a palindrome (999999).

The spelling of 1264622 in words is "one million, two hundred sixty-four thousand, six hundred twenty-two".