2212156474 has 8 divisors (see below), whose sum is σ = 3619892448. Its totient is φ = 1005525660.

The previous prime is 2212156459. The next prime is 2212156477. The reversal of 2212156474 is 4746512122.

2212156474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2212156474² = 9787272530920225352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212156477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50276262 + ... + 50276305.

It is an arithmetic number, because the mean of its divisors is an integer number (452486556).

Almost surely, 2^2212156474 is an apocalyptic number.

2212156474 is a deficient number, since it is larger than the sum of its proper divisors (1407735974).

2212156474 is a wasteful number, since it uses less digits than its factorization.

2212156474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100552580.

The product of its digits is 26880, while the sum is 34.

The square root of 2212156474 is about 47033.5675236315. The cubic root of 2212156474 is about 1302.9825943939.

Adding to 2212156474 its reverse (4746512122), we get a palindrome (6958668596).

The spelling of 2212156474 in words is "two billion, two hundred twelve million, one hundred fifty-six thousand, four hundred seventy-four".