1293948222 has 32 divisors (see below), whose sum is σ = 3113260800. Its totient is φ = 350241408.

The previous prime is 1293948221. The next prime is 1293948223. The reversal of 1293948222 is 2228493921.

It is an interprime number because it is at equal distance from previous prime (1293948221) and next prime (1293948223).

It is a super-2 number, since 2×1293948222² = 3348604002433922568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293948221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809947 + ... + 811542.

It is an arithmetic number, because the mean of its divisors is an integer number (97289400).

Almost surely, 2^1293948222 is an apocalyptic number.

1293948222 is an abundant number, since it is smaller than the sum of its proper divisors (1819312578).

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

1293948222 is a wasteful number, since it uses less digits than its factorization.

1293948222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621520.

The product of its digits is 124416, while the sum is 42.

The square root of 1293948222 is about 35971.4917955872. The cubic root of 1293948222 is about 1089.6966925351.

The spelling of 1293948222 in words is "one billion, two hundred ninety-three million, nine hundred forty-eight thousand, two hundred twenty-two".