426422501 has 8 divisors (see below), whose sum is σ = 430144344. Its totient is φ = 422709760.

The previous prime is 426422483. The next prime is 426422527. The reversal of 426422501 is 105224624.

It is a Cunningham number, because it is equal to 20650²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 74822500 + 351600001 = 8650^2 + 18751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426422501 - 2¹⁰ = 426421477 is a prime.

It is a super-2 number, since 2×426422501² = 363672298718190002, which 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 (426422551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118931 + ... + 122463.

It is an arithmetic number, because the mean of its divisors is an integer number (53768043).

Almost surely, 2^426422501 is an apocalyptic number.

It is an amenable number.

426422501 is a deficient number, since it is larger than the sum of its proper divisors (3721843).

426422501 is a wasteful number, since it uses less digits than its factorization.

426422501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 426422501 is about 20650.0000242131. Note that the first 4 decimals coincide. The cubic root of 426422501 is about 752.6851902719.

The spelling of 426422501 in words is "four hundred twenty-six million, four hundred twenty-two thousand, five hundred one".