1622405416 has 16 divisors (see below), whose sum is σ = 3043101600. Its totient is φ = 810911664.

The previous prime is 1622405401. The next prime is 1622405417. The reversal of 1622405416 is 6145042261.

It is a happy number.

It is a super-2 number, since 2×1622405416² = 5264398667732266112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1622405417) 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, 11706 + ... + 58153.

It is an arithmetic number, because the mean of its divisors is an integer number (190193850).

Almost surely, 2^1622405416 is an apocalyptic number.

It is an amenable number.

1622405416 is a deficient number, since it is larger than the sum of its proper divisors (1420696184).

1622405416 is a wasteful number, since it uses less digits than its factorization.

1622405416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72768 (or 72764 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1622405416 is about 40279.0940315196. The cubic root of 1622405416 is about 1175.0412940973.

Adding to 1622405416 its reverse (6145042261), we get a palindrome (7767447677).

The spelling of 1622405416 in words is "one billion, six hundred twenty-two million, four hundred five thousand, four hundred sixteen".