40002212 has 12 divisors (see below), whose sum is σ = 71632176. Its totient is φ = 19535880.

The previous prime is 40002199. The next prime is 40002233. The reversal of 40002212 is 21220004.

It is a junction number, because it is equal to n+sod(n) for n = 40002193 and 40002202.

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, 116114 + ... + 116457.

It is an arithmetic number, because the mean of its divisors is an integer number (5969348).

Almost surely, 2^40002212 is an apocalyptic number.

It is an amenable number.

40002212 is a deficient number, since it is larger than the sum of its proper divisors (31629964).

40002212 is a wasteful number, since it uses less digits than its factorization.

40002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232618 (or 232616 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40002212 is about 6324.7301918738. The cubic root of 40002212 is about 342.0014933305.

Adding to 40002212 its reverse (21220004), we get a palindrome (61222216).

The spelling of 40002212 in words is "forty million, two thousand, two hundred twelve".