42225953 has 32 divisors (see below), whose sum is σ = 55683072. Its totient is φ = 31046400.

The previous prime is 42225947. The next prime is 42225971. The reversal of 42225953 is 35952224.

It is not a de Polignac number, because 42225953 - 2⁸ = 42225697 is a prime.

It is a super-2 number, since 2×42225953² = 3566062213516418, which contains 22 as substring.

It is a Duffinian number.

42225953 is a modest number, since divided by 25953 gives 422 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42225973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200018 + ... + 200228.

It is an arithmetic number, because the mean of its divisors is an integer number (1740096).

Almost surely, 2^42225953 is an apocalyptic number.

It is an amenable number.

42225953 is a deficient number, since it is larger than the sum of its proper divisors (13457119).

42225953 is a wasteful number, since it uses less digits than its factorization.

42225953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its digits is 21600, while the sum is 32.

The square root of 42225953 is about 6498.1499674907. The cubic root of 42225953 is about 348.2248981151.

The spelling of 42225953 in words is "forty-two million, two hundred twenty-five thousand, nine hundred fifty-three".