1204621622 has 48 divisors (see below), whose sum is σ = 1990904832. Its totient is φ = 545955120.

The previous prime is 1204621597. The next prime is 1204621657. The reversal of 1204621622 is 2261264021.

It is a super-2 number, since 2×1204621622² = 2902226504379821768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1204621591 and 1204621600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2394623 + ... + 2395125.

It is an arithmetic number, because the mean of its divisors is an integer number (41477184).

Almost surely, 2^1204621622 is an apocalyptic number.

1204621622 is a deficient number, since it is larger than the sum of its proper divisors (786283210).

1204621622 is a wasteful number, since it uses less digits than its factorization.

1204621622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1204621622 is about 34707.6594140256. The cubic root of 1204621622 is about 1064.0210455021.

Adding to 1204621622 its reverse (2261264021), we get a palindrome (3465885643).

The spelling of 1204621622 in words is "one billion, two hundred four million, six hundred twenty-one thousand, six hundred twenty-two".