42214520 has 16 divisors (see below), whose sum is σ = 94982760. Its totient is φ = 16885792.

The previous prime is 42214511. The next prime is 42214537. The reversal of 42214520 is 2541224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 42214492 and 42214501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527642 + ... + 527721.

Almost surely, 2^42214520 is an apocalyptic number.

42214520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42214520 is an abundant number, since it is smaller than the sum of its proper divisors (52768240).

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

42214520 is a wasteful number, since it uses less digits than its factorization.

42214520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055374 (or 1055370 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42214520 is about 6497.2701960131. The cubic root of 42214520 is about 348.1934670926.

Adding to 42214520 its reverse (2541224), we get a palindrome (44755744).

The spelling of 42214520 in words is "forty-two million, two hundred fourteen thousand, five hundred twenty".