30221440037 has 4 divisors (see below), whose sum is σ = 30421582176. Its totient is φ = 30021297900.

The previous prime is 30221440021. The next prime is 30221440057. The reversal of 30221440037 is 73004412203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30221440037 - 2⁴ = 30221440021 is a prime.

It is a super-2 number, since 2×30221440037² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221439988 and 30221440015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221440057) 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, 100070843 + ... + 100071144.

It is an arithmetic number, because the mean of its divisors is an integer number (7605395544).

Almost surely, 2^30221440037 is an apocalyptic number.

It is an amenable number.

30221440037 is a deficient number, since it is larger than the sum of its proper divisors (200142139).

30221440037 is a wasteful number, since it uses less digits than its factorization.

30221440037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200142138.

The product of its (nonzero) digits is 4032, while the sum is 26.

The spelling of 30221440037 in words is "thirty billion, two hundred twenty-one million, four hundred forty thousand, thirty-seven".