22001030342405 has 4 divisors (see below), whose sum is σ = 26401236410892. Its totient is φ = 17600824273920.

The previous prime is 22001030342383. The next prime is 22001030342407. The reversal of 22001030342405 is 50424303010022.

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 3301278231364 + 18699752111041 = 1816942^2 + 4324321^2 .

It is not a de Polignac number, because 22001030342405 - 2¹⁸ = 22001030080261 is a prime.

It is a super-2 number, since 2×22001030342405² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001030342407) 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, 2200103034236 + ... + 2200103034245.

It is an arithmetic number, because the mean of its divisors is an integer number (6600309102723).

Almost surely, 2^{22001030342405} is an apocalyptic number.

It is an amenable number.

22001030342405 is a deficient number, since it is larger than the sum of its proper divisors (4400206068487).

22001030342405 is an equidigital number, since it uses as much as digits as its factorization.

22001030342405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400206068486.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 22001030342405 its reverse (50424303010022), we get a palindrome (72425333352427).

The spelling of 22001030342405 in words is "twenty-two trillion, one billion, thirty million, three hundred forty-two thousand, four hundred five".