22541145001 has 2 divisors, whose sum is σ = 22541145002. Its totient is φ = 22541145000.

The previous prime is 22541144929. The next prime is 22541145013. The reversal of 22541145001 is 10054114522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22332313600 + 208831401 = 149440^2 + 14451^2 .

It is a cyclic number.

It is not a de Polignac number, because 22541145001 - 2¹⁵ = 22541112233 is a prime.

It is a super-2 number, since 2×22541145001² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22541145061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270572500 + 11270572501.

It is an arithmetic number, because the mean of its divisors is an integer number (11270572501).

Almost surely, 2^22541145001 is an apocalyptic number.

It is an amenable number.

22541145001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541145001 is an equidigital number, since it uses as much as digits as its factorization.

22541145001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 22541145001 its reverse (10054114522), we get a palindrome (32595259523).

The spelling of 22541145001 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-five thousand, one".