1622233013 has 4 divisors (see below), whose sum is σ = 1638294828. Its totient is φ = 1606171200.

The previous prime is 1622232971. The next prime is 1622233037. The reversal of 1622233013 is 3103322261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1317835204 + 304397809 = 36302^2 + 17447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622233013 - 2⁶ = 1622232949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1622233013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622233043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8030756 + ... + 8030957.

It is an arithmetic number, because the mean of its divisors is an integer number (409573707).

Almost surely, 2^1622233013 is an apocalyptic number.

It is an amenable number.

1622233013 is a deficient number, since it is larger than the sum of its proper divisors (16061815).

1622233013 is a wasteful number, since it uses less digits than its factorization.

1622233013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16061814.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1622233013 is about 40276.9538694276. The cubic root of 1622233013 is about 1174.9996711633. Note that the first 3 decimals are identical.

Adding to 1622233013 its reverse (3103322261), we get a palindrome (4725555274).

The spelling of 1622233013 in words is "one billion, six hundred twenty-two million, two hundred thirty-three thousand, thirteen".