26223146 has 8 divisors (see below), whose sum is σ = 41648580. Its totient is φ = 12340288.

The previous prime is 26223139. The next prime is 26223193. The reversal of 26223146 is 64132262.

It can be written as a sum of positive squares in 2 ways, for example, as 25110121 + 1113025 = 5011^2 + 1055^2 .

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

It is a super-2 number, since 2×26223146² = 1375306772274632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385601 + ... + 385668.

Almost surely, 2^26223146 is an apocalyptic number.

26223146 is a deficient number, since it is larger than the sum of its proper divisors (15425434).

26223146 is a wasteful number, since it uses less digits than its factorization.

26223146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771288.

The product of its digits is 3456, while the sum is 26.

The square root of 26223146 is about 5120.8540303352. The cubic root of 26223146 is about 297.0947182468.

The spelling of 26223146 in words is "twenty-six million, two hundred twenty-three thousand, one hundred forty-six".