537228436 has 6 divisors (see below), whose sum is σ = 940149770. Its totient is φ = 268614216.

The previous prime is 537228427. The next prime is 537228449. The reversal of 537228436 is 634822735.

It can be written as a sum of positive squares in only one way, i.e., 529276036 + 7952400 = 23006^2 + 2820^2 .

It is a super-2 number, since 2×537228436² = 577228784894012192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67153551 + ... + 67153558.

Almost surely, 2^537228436 is an apocalyptic number.

It is an amenable number.

537228436 is a deficient number, since it is larger than the sum of its proper divisors (402921334).

537228436 is a wasteful number, since it uses less digits than its factorization.

537228436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134307113 (or 134307111 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 537228436 is about 23178.1887989549. The cubic root of 537228436 is about 812.9297127656.

The spelling of 537228436 in words is "five hundred thirty-seven million, two hundred twenty-eight thousand, four hundred thirty-six".