26142225 has 12 divisors (see below), whose sum is σ = 43221936. Its totient is φ = 13942480.

The previous prime is 26142163. The next prime is 26142241. The reversal of 26142225 is 52224162.

It is a happy number.

It is not a de Polignac number, because 26142225 - 2⁶ = 26142161 is a prime.

It is a super-4 number, since 4×26142225⁴ (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26142195 and 26142204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174207 + ... + 174356.

It is an arithmetic number, because the mean of its divisors is an integer number (3601828).

Almost surely, 2^26142225 is an apocalyptic number.

26142225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26142225 is a deficient number, since it is larger than the sum of its proper divisors (17079711).

26142225 is a wasteful number, since it uses less digits than its factorization.

26142225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348576 (or 348571 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 26142225 is about 5112.9468019920. The cubic root of 26142225 is about 296.7888056324.

Adding to 26142225 its reverse (52224162), we get a palindrome (78366387).

It can be divided in two parts, 261 and 42225, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 26142225 in words is "twenty-six million, one hundred forty-two thousand, two hundred twenty-five".