2072221511 has 4 divisors (see below), whose sum is σ = 2194116912. Its totient is φ = 1950326112.

The previous prime is 2072221499. The next prime is 2072221517. The reversal of 2072221511 is 1151222702.

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

It is a cyclic number.

It is not a de Polignac number, because 2072221511 - 2¹⁴ = 2072205127 is a prime.

It is a super-2 number, since 2×2072221511² = 8588203981302246242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072221517) 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, 60947675 + ... + 60947708.

It is an arithmetic number, because the mean of its divisors is an integer number (548529228).

Almost surely, 2^2072221511 is an apocalyptic number.

2072221511 is a deficient number, since it is larger than the sum of its proper divisors (121895401).

2072221511 is a wasteful number, since it uses less digits than its factorization.

2072221511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121895400.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2072221511 is about 45521.6598005828. The cubic root of 2072221511 is about 1274.9076464697.

The spelling of 2072221511 in words is "two billion, seventy-two million, two hundred twenty-one thousand, five hundred eleven".