22313503021 has 4 divisors (see below), whose sum is σ = 22857734844. Its totient is φ = 21769271200.

The previous prime is 22313503019. The next prime is 22313503057. The reversal of 22313503021 is 12030531322.

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 2031755625 + 20281747396 = 45075^2 + 142414^2 .

It is a cyclic number.

It is not a de Polignac number, because 22313503021 - 2¹ = 22313503019 is a prime.

It is a super-3 number, since 3×22313503021³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22313502983 and 22313503001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313504021) 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, 272115850 + ... + 272115931.

It is an arithmetic number, because the mean of its divisors is an integer number (5714433711).

Almost surely, 2^22313503021 is an apocalyptic number.

It is an amenable number.

22313503021 is a deficient number, since it is larger than the sum of its proper divisors (544231823).

22313503021 is an equidigital number, since it uses as much as digits as its factorization.

22313503021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544231822.

The product of its (nonzero) digits is 1080, while the sum is 22.

The spelling of 22313503021 in words is "twenty-two billion, three hundred thirteen million, five hundred three thousand, twenty-one".