1622261662 has 16 divisors (see below), whose sum is σ = 2801322720. Its totient is φ = 690179328.

The previous prime is 1622261657. The next prime is 1622261701. The reversal of 1622261662 is 2661622261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420987 + ... + 424822.

It is an arithmetic number, because the mean of its divisors is an integer number (175082670).

Almost surely, 2^1622261662 is an apocalyptic number.

1622261662 is a deficient number, since it is larger than the sum of its proper divisors (1179061058).

1622261662 is a wasteful number, since it uses less digits than its factorization.

1622261662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845955.

The product of its digits is 20736, while the sum is 34.

The square root of 1622261662 is about 40277.3095178911. The cubic root of 1622261662 is about 1175.0065880421.

The spelling of 1622261662 in words is "one billion, six hundred twenty-two million, two hundred sixty-one thousand, six hundred sixty-two".