42219000 has 96 divisors (see below), whose sum is σ = 142730640. Its totient is φ = 11256000.

The previous prime is 42218999. The next prime is 42219013. The reversal of 42219000 is 91224.

It is a super-2 number, since 2×42219000² = 3564887922000000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6655 + ... + 11345.

Almost surely, 2^42219000 is an apocalyptic number.

42219000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42219000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71365320).

42219000 is an abundant number, since it is smaller than the sum of its proper divisors (100511640).

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

42219000 is a wasteful number, since it uses less digits than its factorization.

42219000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 42219000 is about 6497.6149470402. The cubic root of 42219000 is about 348.2057839570.

The spelling of 42219000 in words is "forty-two million, two hundred nineteen thousand".