42200025 has 36 divisors (see below), whose sum is σ = 81168912. Its totient is φ = 19289760.

The previous prime is 42200023. The next prime is 42200077. The reversal of 42200025 is 52000224.

It is not a de Polignac number, because 42200025 - 2¹ = 42200023 is a prime.

It is a super-2 number, since 2×42200025² = 3561684220001250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42199977 and 42200013.

It is not an unprimeable number, because it can be changed into a prime (42200023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2067 + ... + 9416.

It is an arithmetic number, because the mean of its divisors is an integer number (2254692).

Almost surely, 2^42200025 is an apocalyptic number.

It is an amenable number.

42200025 is a deficient number, since it is larger than the sum of its proper divisors (38968887).

42200025 is a wasteful number, since it uses less digits than its factorization.

42200025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11510 (or 11498 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 42200025 is about 6496.1546317803. The cubic root of 42200025 is about 348.1536100159.

Adding to 42200025 its reverse (52000224), we get a palindrome (94200249).

The spelling of 42200025 in words is "forty-two million, two hundred thousand, twenty-five".