1222685427 has 16 divisors (see below), whose sum is σ = 1637134848. Its totient is φ = 811689120.

The previous prime is 1222685423. The next prime is 1222685483. The reversal of 1222685427 is 7245862221.

It is not a de Polignac number, because 1222685427 - 2² = 1222685423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222685423) 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, 1107958 + ... + 1109060.

It is an arithmetic number, because the mean of its divisors is an integer number (102320928).

Almost surely, 2^1222685427 is an apocalyptic number.

1222685427 is a deficient number, since it is larger than the sum of its proper divisors (414449421).

1222685427 is a wasteful number, since it uses less digits than its factorization.

1222685427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its digits is 107520, while the sum is 39.

The square root of 1222685427 is about 34966.9190378563. The cubic root of 1222685427 is about 1069.3131606872.

The spelling of 1222685427 in words is "one billion, two hundred twenty-two million, six hundred eighty-five thousand, four hundred twenty-seven".