201554226 has 12 divisors (see below), whose sum is σ = 436700862. Its totient is φ = 67184736.

The previous prime is 201554209. The next prime is 201554231. The reversal of 201554226 is 622455102.

It can be written as a sum of positive squares in only one way, i.e., 127577025 + 73977201 = 11295^2 + 8601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201554226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5598711 + ... + 5598746.

Almost surely, 2^201554226 is an apocalyptic number.

201554226 is an abundant number, since it is smaller than the sum of its proper divisors (235146636).

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

201554226 is a wasteful number, since it uses less digits than its factorization.

201554226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197465 (or 11197462 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 201554226 is about 14196.9794674783. The cubic root of 201554226 is about 586.3145018992.

The spelling of 201554226 in words is "two hundred one million, five hundred fifty-four thousand, two hundred twenty-six".