1345405222 has 8 divisors (see below), whose sum is σ = 2306408976. Its totient is φ = 576602232.

The previous prime is 1345405213. The next prime is 1345405223. The reversal of 1345405222 is 2225045431.

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

It is a super-2 number, since 2×1345405222² = 3620230422769738568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345405223) 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, 48050173 + ... + 48050200.

It is an arithmetic number, because the mean of its divisors is an integer number (288301122).

Almost surely, 2^1345405222 is an apocalyptic number.

1345405222 is a deficient number, since it is larger than the sum of its proper divisors (961003754).

1345405222 is an equidigital number, since it uses as much as digits as its factorization.

1345405222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96100382.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1345405222 is about 36679.7658389472. The cubic root of 1345405222 is about 1103.9541497753.

The spelling of 1345405222 in words is "one billion, three hundred forty-five million, four hundred five thousand, two hundred twenty-two".