1622010561 has 16 divisors (see below), whose sum is σ = 2210064384. Its totient is φ = 1057677264.

The previous prime is 1622010547. The next prime is 1622010583. The reversal of 1622010561 is 1650102261.

It is not a de Polignac number, because 1622010561 - 2⁶ = 1622010497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1622010461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345516 + ... + 350178.

It is an arithmetic number, because the mean of its divisors is an integer number (138129024).

Almost surely, 2^1622010561 is an apocalyptic number.

It is an amenable number.

1622010561 is a deficient number, since it is larger than the sum of its proper divisors (588053823).

1622010561 is a wasteful number, since it uses less digits than its factorization.

1622010561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1622010561 is about 40274.1922451587. The cubic root of 1622010561 is about 1174.9459606353.

The spelling of 1622010561 in words is "one billion, six hundred twenty-two million, ten thousand, five hundred sixty-one".