1215070072222 has 4 divisors (see below), whose sum is σ = 1822605108336. Its totient is φ = 607535036110.

The previous prime is 1215070072187. The next prime is 1215070072231. The reversal of 1215070072222 is 2222700705121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303767518054 + ... + 303767518057.

It is an arithmetic number, because the mean of its divisors is an integer number (455651277084).

Almost surely, 2^{1215070072222} is an apocalyptic number.

1215070072222 is a deficient number, since it is larger than the sum of its proper divisors (607535036114).

1215070072222 is an equidigital number, since it uses as much as digits as its factorization.

1215070072222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607535036113.

The product of its (nonzero) digits is 7840, while the sum is 31.

Adding to 1215070072222 its reverse (2222700705121), we get a palindrome (3437770777343).

The spelling of 1215070072222 in words is "one trillion, two hundred fifteen billion, seventy million, seventy-two thousand, two hundred twenty-two".