152021422 has 48 divisors (see below), whose sum is σ = 277020000. Its totient is φ = 62309184.

The previous prime is 152021377. The next prime is 152021449. The reversal of 152021422 is 224120251.

It is a super-3 number, since 3×152021422³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 152021422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423279 + ... + 423637.

It is an arithmetic number, because the mean of its divisors is an integer number (5771250).

Almost surely, 2^152021422 is an apocalyptic number.

152021422 is a deficient number, since it is larger than the sum of its proper divisors (124998578).

152021422 is a wasteful number, since it uses less digits than its factorization.

152021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 152021422 is about 12329.6967521509. The cubic root of 152021422 is about 533.7053998387.

Adding to 152021422 its reverse (224120251), we get a palindrome (376141673).

The spelling of 152021422 in words is "one hundred fifty-two million, twenty-one thousand, four hundred twenty-two".