1422291779 has 16 divisors (see below), whose sum is σ = 1522278912. Its totient is φ = 1325636928.

The previous prime is 1422291727. The next prime is 1422291817. The reversal of 1422291779 is 9771922241.

It is a cyclic number.

It is not a de Polignac number, because 1422291779 - 2¹⁶ = 1422226243 is a prime.

It is a super-2 number, since 2×1422291779² = 4045827809221969682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422293779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480167 + ... + 483119.

It is an arithmetic number, because the mean of its divisors is an integer number (95142432).

Almost surely, 2^1422291779 is an apocalyptic number.

1422291779 is a deficient number, since it is larger than the sum of its proper divisors (99987133).

1422291779 is a wasteful number, since it uses less digits than its factorization.

1422291779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its digits is 127008, while the sum is 44.

The square root of 1422291779 is about 37713.2838533056. The cubic root of 1422291779 is about 1124.5952200384.

The spelling of 1422291779 in words is "one billion, four hundred twenty-two million, two hundred ninety-one thousand, seven hundred seventy-nine".