100422541 has 2 divisors, whose sum is σ = 100422542. Its totient is φ = 100422540.

The previous prime is 100422473. The next prime is 100422557. The reversal of 100422541 is 145224001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97713225 + 2709316 = 9885^2 + 1646^2 .

It is a cyclic number.

It is not a de Polignac number, because 100422541 - 2¹⁷ = 100291469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100423541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50211270 + 50211271.

It is an arithmetic number, because the mean of its divisors is an integer number (50211271).

Almost surely, 2^100422541 is an apocalyptic number.

It is an amenable number.

100422541 is a deficient number, since it is larger than the sum of its proper divisors (1).

100422541 is an equidigital number, since it uses as much as digits as its factorization.

100422541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 100422541 is about 10021.1047794143. The cubic root of 100422541 is about 464.8117185865.

Adding to 100422541 its reverse (145224001), we get a palindrome (245646542).

The spelling of 100422541 in words is "one hundred million, four hundred twenty-two thousand, five hundred forty-one".