40554222 has 16 divisors (see below), whose sum is σ = 82639440. Its totient is φ = 13262912.

The previous prime is 40554211. The next prime is 40554233. The reversal of 40554222 is 22245504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40554211) and next prime (40554233).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 40554192 and 40554201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63447 + ... + 64082.

It is an arithmetic number, because the mean of its divisors is an integer number (5164965).

Almost surely, 2^40554222 is an apocalyptic number.

40554222 is an abundant number, since it is smaller than the sum of its proper divisors (42085218).

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

40554222 is a wasteful number, since it uses less digits than its factorization.

40554222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127587.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40554222 is about 6368.2196884216. The cubic root of 40554222 is about 343.5674604617.

Adding to 40554222 its reverse (22245504), we get a palindrome (62799726).

The spelling of 40554222 in words is "forty million, five hundred fifty-four thousand, two hundred twenty-two".