1391222202 has 8 divisors (see below), whose sum is σ = 2782444416. Its totient is φ = 463740732.

The previous prime is 1391222197. The next prime is 1391222207. The reversal of 1391222202 is 2022221931.

It is an interprime number because it is at equal distance from previous prime (1391222197) and next prime (1391222207).

It is a sphenic number, since it is the product of 3 distinct primes.

1391222202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1391222207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115935178 + ... + 115935189.

It is an arithmetic number, because the mean of its divisors is an integer number (347805552).

Almost surely, 2^1391222202 is an apocalyptic number.

1391222202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1391222202 is a wasteful number, since it uses less digits than its factorization.

1391222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231870372.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1391222202 is about 37299.0911685526. The cubic root of 1391222202 is about 1116.3460325840.

The spelling of 1391222202 in words is "one billion, three hundred ninety-one million, two hundred twenty-two thousand, two hundred two".