42101226 has 48 divisors (see below), whose sum is σ = 96595200. Its totient is φ = 13215744.

The previous prime is 42101209. The next prime is 42101249. The reversal of 42101226 is 62210124.

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 = 42101199 and 42101208.

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, 87655 + ... + 88133.

It is an arithmetic number, because the mean of its divisors is an integer number (2012400).

Almost surely, 2^42101226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42101226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48297600).

42101226 is an abundant number, since it is smaller than the sum of its proper divisors (54493974).

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

42101226 is a wasteful number, since it uses less digits than its factorization.

42101226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42101226 is about 6488.5457538650. The cubic root of 42101226 is about 347.8816977982.

The spelling of 42101226 in words is "forty-two million, one hundred one thousand, two hundred twenty-six".