40022192 has 40 divisors (see below), whose sum is σ = 90518016. Its totient is φ = 16785216.

The previous prime is 40022153. The next prime is 40022219. The reversal of 40022192 is 29122004.

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, 1463 + ... + 9065.

Almost surely, 2^40022192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40022192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45259008).

40022192 is an abundant number, since it is smaller than the sum of its proper divisors (50495824).

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

40022192 is a wasteful number, since it uses less digits than its factorization.

40022192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665 (or 7659 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40022192 is about 6326.3095087104. The cubic root of 40022192 is about 342.0584239529.

Adding to 40022192 its reverse (29122004), we get a palindrome (69144196).

The spelling of 40022192 in words is "forty million, twenty-two thousand, one hundred ninety-two".