662043622 has 4 divisors (see below), whose sum is σ = 993065436. Its totient is φ = 331021810.

The previous prime is 662043593. The next prime is 662043649. The reversal of 662043622 is 226340266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226340266 = 2 ⋅113170133.

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, 165510904 + ... + 165510907.

It is an arithmetic number, because the mean of its divisors is an integer number (248266359).

Almost surely, 2^662043622 is an apocalyptic number.

662043622 is a deficient number, since it is larger than the sum of its proper divisors (331021814).

662043622 is a wasteful number, since it uses less digits than its factorization.

662043622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331021813.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 662043622 is about 25730.2083551611. The cubic root of 662043622 is about 871.5564782574.

Adding to 662043622 its reverse (226340266), we get a palindrome (888383888).

The spelling of 662043622 in words is "six hundred sixty-two million, forty-three thousand, six hundred twenty-two".