224720136465 has 64 divisors (see below), whose sum is σ = 394776944640. Its totient is φ = 108252239360.

The previous prime is 224720136461. The next prime is 224720136593. The reversal of 224720136465 is 564631027422.

It is not a de Polignac number, because 224720136465 - 2² = 224720136461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224720136461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18409054 + ... + 18421256.

It is an arithmetic number, because the mean of its divisors is an integer number (6168389760).

Almost surely, 2^224720136465 is an apocalyptic number.

It is an amenable number.

224720136465 is a deficient number, since it is larger than the sum of its proper divisors (170056808175).

224720136465 is a wasteful number, since it uses less digits than its factorization.

224720136465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12934.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 224720136465 in words is "two hundred twenty-four billion, seven hundred twenty million, one hundred thirty-six thousand, four hundred sixty-five".