1225606622 has 4 divisors (see below), whose sum is σ = 1838409936. Its totient is φ = 612803310.

The previous prime is 1225606621. The next prime is 1225606637. The reversal of 1225606622 is 2266065221.

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

It is a super-2 number, since 2×1225606622² = 3004223183780501768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225606621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306401654 + ... + 306401657.

It is an arithmetic number, because the mean of its divisors is an integer number (459602484).

Almost surely, 2^1225606622 is an apocalyptic number.

1225606622 is a deficient number, since it is larger than the sum of its proper divisors (612803314).

1225606622 is an equidigital number, since it uses as much as digits as its factorization.

1225606622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612803313.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1225606622 is about 35008.6649559791. The cubic root of 1225606622 is about 1070.1640712680.

The spelling of 1225606622 in words is "one billion, two hundred twenty-five million, six hundred six thousand, six hundred twenty-two".