4537821622 has 4 divisors (see below), whose sum is σ = 6806732436. Its totient is φ = 2268910810.

The previous prime is 4537821581. The next prime is 4537821647. The reversal of 4537821622 is 2261287354.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1134455404 + ... + 1134455407.

It is an arithmetic number, because the mean of its divisors is an integer number (1701683109).

Almost surely, 2^4537821622 is an apocalyptic number.

4537821622 is a deficient number, since it is larger than the sum of its proper divisors (2268910814).

4537821622 is a wasteful number, since it uses less digits than its factorization.

4537821622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268910813.

The product of its digits is 161280, while the sum is 40.

The square root of 4537821622 is about 67363.3551866295. The cubic root of 4537821622 is about 1655.5760686313.

The spelling of 4537821622 in words is "four billion, five hundred thirty-seven million, eight hundred twenty-one thousand, six hundred twenty-two".