226515437004 has 12 divisors (see below), whose sum is σ = 528536019704. Its totient is φ = 75505145664.

The previous prime is 226515436951. The next prime is 226515437009. The reversal of 226515437004 is 400734515622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×226515437004² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226515437009) 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, 9438143197 + ... + 9438143220.

Almost surely, 2^226515437004 is an apocalyptic number.

It is an amenable number.

226515437004 is an abundant number, since it is smaller than the sum of its proper divisors (302020582700).

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

226515437004 is a wasteful number, since it uses less digits than its factorization.

226515437004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18876286424 (or 18876286422 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 226515437004 in words is "two hundred twenty-six billion, five hundred fifteen million, four hundred thirty-seven thousand, four".