42212034 has 24 divisors (see below), whose sum is σ = 96273840. Its totient is φ = 13330008.

The previous prime is 42212033. The next prime is 42212039. The reversal of 42212034 is 43021224.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42211998 and 42212016.

It is not an unprimeable number, because it can be changed into a prime (42212033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61372 + ... + 62055.

It is an arithmetic number, because the mean of its divisors is an integer number (4011410).

Almost surely, 2^42212034 is an apocalyptic number.

42212034 is an abundant number, since it is smaller than the sum of its proper divisors (54061806).

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

42212034 is a wasteful number, since it uses less digits than its factorization.

42212034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123454 (or 123451 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42212034 is about 6497.0788820823. The cubic root of 42212034 is about 348.1866319566.

Adding to 42212034 its reverse (43021224), we get a palindrome (85233258).

The spelling of 42212034 in words is "forty-two million, two hundred twelve thousand, thirty-four".