40054222 has 16 divisors (see below), whose sum is σ = 64863792. Its totient is φ = 18440640.

The previous prime is 40054219. The next prime is 40054229. The reversal of 40054222 is 22245004.

It is a self number, because there is not a number n which added to its sum of digits gives 40054222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40054229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10197 + ... + 13567.

It is an arithmetic number, because the mean of its divisors is an integer number (4053987).

Almost surely, 2^40054222 is an apocalyptic number.

40054222 is a deficient number, since it is larger than the sum of its proper divisors (24809570).

40054222 is a wasteful number, since it uses less digits than its factorization.

40054222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 40054222 is about 6328.8404941190. The cubic root of 40054222 is about 342.1496500896.

Adding to 40054222 its reverse (22245004), we get a palindrome (62299226).

It can be divided in two parts, 40054 and 222, that multiplied together give a palindrome (8891988).

The spelling of 40054222 in words is "forty million, fifty-four thousand, two hundred twenty-two".