40022224 has 20 divisors (see below), whose sum is σ = 84592800. Its totient is φ = 18191840.

The previous prime is 40022219. The next prime is 40022251. The reversal of 40022224 is 42222004.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 40022198 and 40022207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113524 + ... + 113875.

It is an arithmetic number, because the mean of its divisors is an integer number (4229640).

Almost surely, 2^40022224 is an apocalyptic number.

40022224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40022224 is an abundant number, since it is smaller than the sum of its proper divisors (44570576).

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

40022224 is a wasteful number, since it uses less digits than its factorization.

40022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227418 (or 227412 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40022224 is about 6326.3120378306. The cubic root of 40022224 is about 342.0585151179.

Adding to 40022224 its reverse (42222004), we get a palindrome (82244228).

It can be divided in two parts, 4002 and 2224, that added together give a palindrome (6226).

The spelling of 40022224 in words is "forty million, twenty-two thousand, two hundred twenty-four".