40722234 has 24 divisors (see below), whose sum is σ = 94742208. Its totient is φ = 11634840.

The previous prime is 40722233. The next prime is 40722277. The reversal of 40722234 is 43222704.

It is not an unprimeable number, because it can be changed into a prime (40722233) 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, 68962 + ... + 69549.

It is an arithmetic number, because the mean of its divisors is an integer number (3947592).

Almost surely, 2^40722234 is an apocalyptic number.

40722234 is an abundant number, since it is smaller than the sum of its proper divisors (54019974).

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

40722234 is a wasteful number, since it uses less digits than its factorization.

40722234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138530 (or 138523 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 40722234 is about 6381.3974958468. The cubic root of 40722234 is about 344.0412617263.

Adding to 40722234 its reverse (43222704), we get a palindrome (83944938).

The spelling of 40722234 in words is "forty million, seven hundred twenty-two thousand, two hundred thirty-four".