195215426 has 16 divisors (see below), whose sum is σ = 337970880. Its totient is φ = 82834800.

The previous prime is 195215413. The next prime is 195215453. The reversal of 195215426 is 624512591.

It is a happy number.

It is a super-2 number, since 2×195215426² = 76218125096722952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67616 + ... + 70443.

It is an arithmetic number, because the mean of its divisors is an integer number (21123180).

Almost surely, 2^195215426 is an apocalyptic number.

195215426 is a deficient number, since it is larger than the sum of its proper divisors (142755454).

195215426 is a wasteful number, since it uses less digits than its factorization.

195215426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138169.

The product of its digits is 21600, while the sum is 35.

The square root of 195215426 is about 13971.9514027211. The cubic root of 195215426 is about 580.1024650520.

The spelling of 195215426 in words is "one hundred ninety-five million, two hundred fifteen thousand, four hundred twenty-six".