42203322 has 64 divisors (see below), whose sum is σ = 107827200. Its totient is φ = 11985840.

The previous prime is 42203303. The next prime is 42203341. The reversal of 42203322 is 22330224.

It is an interprime number because it is at equal distance from previous prime (42203303) and next prime (42203341).

It is a super-2 number, since 2×42203322² = 3562240775671368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42203295 and 42203304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117379 + ... + 117737.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^42203322 is an apocalyptic number.

42203322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42203322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53913600).

42203322 is an abundant number, since it is smaller than the sum of its proper divisors (65623878).

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

42203322 is a wasteful number, since it uses less digits than its factorization.

42203322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42203322 is about 6496.4083923350. The cubic root of 42203322 is about 348.1626766185.

Adding to 42203322 its reverse (22330224), we get a palindrome (64533546).

The spelling of 42203322 in words is "forty-two million, two hundred three thousand, three hundred twenty-two".