22240352501 has 4 divisors (see below), whose sum is σ = 22241201952. Its totient is φ = 22239503052.

The previous prime is 22240352419. The next prime is 22240352507. The reversal of 22240352501 is 10525304222.

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 22240352501 - 2³⁴ = 5060483317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240352507) 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, 384161 + ... + 438246.

It is an arithmetic number, because the mean of its divisors is an integer number (5560300488).

Almost surely, 2^22240352501 is an apocalyptic number.

It is an amenable number.

22240352501 is a deficient number, since it is larger than the sum of its proper divisors (849451).

22240352501 is an equidigital number, since it uses as much as digits as its factorization.

22240352501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849450.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22240352501 its reverse (10525304222), we get a palindrome (32765656723).

The spelling of 22240352501 in words is "twenty-two billion, two hundred forty million, three hundred fifty-two thousand, five hundred one".