3622354381 has 4 divisors (see below), whose sum is σ = 3655587100. Its totient is φ = 3589121664.

The previous prime is 3622354361. The next prime is 3622354403. The reversal of 3622354381 is 1834532263.

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 2977448356 + 644906025 = 54566^2 + 25395^2 .

It is a cyclic number.

It is not a de Polignac number, because 3622354381 - 2⁵ = 3622354349 is a prime.

It is a super-2 number, since 2×3622354381² = 26242902523099786322, which contains 22 as substring.

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 3622354381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622354361) 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, 16616196 + ... + 16616413.

It is an arithmetic number, because the mean of its divisors is an integer number (913896775).

Almost surely, 2^3622354381 is an apocalyptic number.

It is an amenable number.

3622354381 is a deficient number, since it is larger than the sum of its proper divisors (33232719).

3622354381 is a wasteful number, since it uses less digits than its factorization.

3622354381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33232718.

The product of its digits is 103680, while the sum is 37.

The square root of 3622354381 is about 60185.9982138703. The cubic root of 3622354381 is about 1535.7846124771.

The spelling of 3622354381 in words is "three billion, six hundred twenty-two million, three hundred fifty-four thousand, three hundred eighty-one".