42299232 has 48 divisors (see below), whose sum is σ = 111384000. Its totient is φ = 14055552.

The previous prime is 42299219. The next prime is 42299237. The reversal of 42299232 is 23299224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 42299193 and 42299202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47463 + ... + 48345.

It is an arithmetic number, because the mean of its divisors is an integer number (2320500).

Almost surely, 2^42299232 is an apocalyptic number.

It is an amenable number.

42299232 is an abundant number, since it is smaller than the sum of its proper divisors (69084768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42299232 is a wasteful number, since it uses less digits than its factorization.

42299232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1387 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 42299232 is about 6503.7859743383. The cubic root of 42299232 is about 348.4262184219.

The spelling of 42299232 in words is "forty-two million, two hundred ninety-nine thousand, two hundred thirty-two".