1354721387222 has 32 divisors (see below), whose sum is σ = 2469728128320. Its totient is φ = 544056007680.

The previous prime is 1354721387221. The next prime is 1354721387251. The reversal of 1354721387222 is 2227831274531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354721387221) 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, 12373679 + ... + 12482682.

It is an arithmetic number, because the mean of its divisors is an integer number (77179004010).

Almost surely, 2^{1354721387222} is an apocalyptic number.

1354721387222 is a deficient number, since it is larger than the sum of its proper divisors (1115006741098).

1354721387222 is a wasteful number, since it uses less digits than its factorization.

1354721387222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24856616.

The product of its digits is 1128960, while the sum is 47.

The spelling of 1354721387222 in words is "one trillion, three hundred fifty-four billion, seven hundred twenty-one million, three hundred eighty-seven thousand, two hundred twenty-two".