215142022 has 16 divisors (see below), whose sum is σ = 325300032. Its totient is φ = 106712640.

The previous prime is 215142017. The next prime is 215142049. The reversal of 215142022 is 220241512.

215142022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 149418 + ... + 150850.

It is an arithmetic number, because the mean of its divisors is an integer number (20331252).

Almost surely, 2^215142022 is an apocalyptic number.

215142022 is a deficient number, since it is larger than the sum of its proper divisors (110158010).

215142022 is a wasteful number, since it uses less digits than its factorization.

215142022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 215142022 is about 14667.7204091161. The cubic root of 215142022 is about 599.2045217493.

Adding to 215142022 its reverse (220241512), we get a palindrome (435383534).

The spelling of 215142022 in words is "two hundred fifteen million, one hundred forty-two thousand, twenty-two".