2221262078 has 16 divisors (see below), whose sum is σ = 3809645664. Its totient is φ = 951527520.

The previous prime is 2221262023. The next prime is 2221262081. The reversal of 2221262078 is 8702621222.

2221262078 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, 4625 + ... + 66812.

It is an arithmetic number, because the mean of its divisors is an integer number (238102854).

Almost surely, 2^2221262078 is an apocalyptic number.

2221262078 is a deficient number, since it is larger than the sum of its proper divisors (1588383586).

2221262078 is a wasteful number, since it uses less digits than its factorization.

2221262078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73667.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2221262078 is about 47130.2671114858. The cubic root of 2221262078 is about 1304.7679114381.

The spelling of 2221262078 in words is "two billion, two hundred twenty-one million, two hundred sixty-two thousand, seventy-eight".