1222100495 has 16 divisors (see below), whose sum is σ = 1828389888. Its totient is φ = 761828640.

The previous prime is 1222100419. The next prime is 1222100521. The reversal of 1222100495 is 5940012221.

It is not a de Polignac number, because 1222100495 - 2¹⁰ = 1222099471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586759 + ... + 1587528.

It is an arithmetic number, because the mean of its divisors is an integer number (114274368).

Almost surely, 2^1222100495 is an apocalyptic number.

1222100495 is a deficient number, since it is larger than the sum of its proper divisors (606289393).

1222100495 is a wasteful number, since it uses less digits than its factorization.

1222100495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174310.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1222100495 is about 34958.5539603686. The cubic root of 1222100495 is about 1069.1426138889.

The spelling of 1222100495 in words is "one billion, two hundred twenty-two million, one hundred thousand, four hundred ninety-five".