22420040404001 has 4 divisors (see below), whose sum is σ = 22420969294212. Its totient is φ = 22419111513792.

The previous prime is 22420040403983. The next prime is 22420040404033. The reversal of 22420040404001 is 10040404002422.

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 12605510579776 + 9814529824225 = 3550424^2 + 3132815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420040404001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22420040404061) 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, 464408900 + ... + 464457173.

It is an arithmetic number, because the mean of its divisors is an integer number (5605242323553).

Almost surely, 2^{22420040404001} is an apocalyptic number.

It is an amenable number.

22420040404001 is a deficient number, since it is larger than the sum of its proper divisors (928890211).

22420040404001 is an equidigital number, since it uses as much as digits as its factorization.

22420040404001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928890210.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22420040404001 its reverse (10040404002422), we get a palindrome (32460444406423).

The spelling of 22420040404001 in words is "twenty-two trillion, four hundred twenty billion, forty million, four hundred four thousand, one".