1222471106 has 4 divisors (see below), whose sum is σ = 1833706662. Its totient is φ = 611235552.

The previous prime is 1222471099. The next prime is 1222471109. The reversal of 1222471106 is 6011742221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6011742221 = 523 ⋅11494727.

It can be written as a sum of positive squares in only one way, i.e., 861129025 + 361342081 = 29345^2 + 19009^2 .

It is not an unprimeable number, because it can be changed into a prime (1222471109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305617775 + ... + 305617778.

Almost surely, 2^1222471106 is an apocalyptic number.

1222471106 is a deficient number, since it is larger than the sum of its proper divisors (611235556).

1222471106 is an equidigital number, since it uses as much as digits as its factorization.

1222471106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611235555.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1222471106 is about 34963.8542783830. The cubic root of 1222471106 is about 1069.2506780969.

The spelling of 1222471106 in words is "one billion, two hundred twenty-two million, four hundred seventy-one thousand, one hundred six".