10542225 has 48 divisors (see below), whose sum is σ = 18659520. Its totient is φ = 5241600.

The previous prime is 10542223. The next prime is 10542229. The reversal of 10542225 is 52224501.

It is a happy number.

It is not a de Polignac number, because 10542225 - 2¹ = 10542223 is a prime.

It is a super-2 number, since 2×10542225² = 222277015901250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10542223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80410 + ... + 80540.

It is an arithmetic number, because the mean of its divisors is an integer number (388740).

Almost surely, 2^10542225 is an apocalyptic number.

10542225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10542225 is a deficient number, since it is larger than the sum of its proper divisors (8117295).

10542225 is a wasteful number, since it uses less digits than its factorization.

10542225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 10542225 is about 3246.8792709308. The cubic root of 10542225 is about 219.2690964550.

Adding to 10542225 its reverse (52224501), we get a palindrome (62766726).

The spelling of 10542225 in words is "ten million, five hundred forty-two thousand, two hundred twenty-five".