442211346 has 32 divisors (see below), whose sum is σ = 1009255680. Its totient is φ = 143419248.

The previous prime is 442211303. The next prime is 442211347. The reversal of 442211346 is 643112244.

It is a happy number.

442211346 is a `hidden beast` number, since 442 + 211 + 3 + 4 + 6 = 666.

It is a super-2 number, since 2×442211346² = 391101749062263432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (442211347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108666 + ... + 112661.

It is an arithmetic number, because the mean of its divisors is an integer number (31539240).

Almost surely, 2^442211346 is an apocalyptic number.

442211346 is an abundant number, since it is smaller than the sum of its proper divisors (567044334).

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

442211346 is a wasteful number, since it uses less digits than its factorization.

442211346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221375 (or 221369 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 442211346 is about 21028.8217929583. The cubic root of 442211346 is about 761.8625519340.

The spelling of 442211346 in words is "four hundred forty-two million, two hundred eleven thousand, three hundred forty-six".