42222441 has 16 divisors (see below), whose sum is σ = 60053184. Its totient is φ = 26294784.

The previous prime is 42222437. The next prime is 42222473. The reversal of 42222441 is 14422224.

42222441 = 248² + 249² + ... + 521².

It is not a de Polignac number, because 42222441 - 2² = 42222437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42222421) 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, 3966 + ... + 10008.

It is an arithmetic number, because the mean of its divisors is an integer number (3753324).

Almost surely, 2^42222441 is an apocalyptic number.

It is an amenable number.

42222441 is a deficient number, since it is larger than the sum of its proper divisors (17830743).

42222441 is a wasteful number, since it uses less digits than its factorization.

42222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200.

The product of its digits is 1024, while the sum is 21.

The square root of 42222441 is about 6497.8797311123. The cubic root of 42222441 is about 348.2152437070.

Adding to 42222441 its reverse (14422224), we get a palindrome (56644665).

The spelling of 42222441 in words is "forty-two million, two hundred twenty-two thousand, four hundred forty-one".